Electric and electronic measuring, checking, controlling and regulating apparatus for elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, namely, electronic controllers, electric proximity sensors, electric inductive sensors, electric capacitive sensors, electric current sensors, electric voltage sensors, electric load and level sensors, infrared sensors, electric ultrasound sensors, electric biometric sensors, electric RFID sensors, electric acoustic sensors, cameras, video cameras, computers, motion detectors, electric light barriers consisting primarily of light emitting diodes (LEDs), photo sensors and safety light curtains, electric signal buzzers, sound alarms, luminous signs, stroboscopic electric warning lights, loudspeakers, computer monitors, video monitors, touchscreen monitors, TV monitors, electronic displays in the nature of thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels and plasma display panels and associated downloadable computer software for monitoring, controlling and regulating the power, movement and functions of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, and for determining the weight load within and the number of users of the aforesaid installations; electric and electronic control apparatus for elevators with destination call control, namely, signal processors for processing and responding to elevator destination calls; electronic controllers and corresponding downloadable software for monitoring, controlling and regulating the operation of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, as well as building installations and access control systems; electronic controllers for monitoring, controlling and regulating the access for boats, buildings, area surrounded by a fence, restricted areas within buildings and boats, elevators, escalators and moving walkways and other vertical, horizontal and inclined transport installations and corresponding downloadable software for monitoring, controlling and regulating the access for boats, buildings, area surrounded by a fence, restricted areas within buildings and boats, elevators, escalators and moving walkways and other vertical, horizontal and inclined transport installations; electronic controllers for monitoring, controlling and regulating guidance and navigation systems for the orientation and guidance of users and flow of users inside, between and outside buildings, access restricted areas within buildings, ships and areas surrounded by a fence and corresponding downloadable software for monitoring, controlling and regulating guidance and navigation systems for the orientation and guidance of users and flow of users inside, between and outside buildings, access restricted areas within buildings, ships and areas surrounded by a fence; remote monitoring apparatus consisting primarily of electronic controllers, proximity sensors, inductive sensors, capacitive sensors, current sensors, voltage sensors, load and level sensors, infrared sensors, ultra sound sensors, biometric sensors, RFID sensors, acoustic sensors, cameras, video cameras, computers, movement detectors, light barriers, electric signal buzzers, siren alarms, luminous signs, stroboscopic electric warning lights, loudspeakers, computer monitors, video monitors, touchscreen monitors, TV monitors, electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels and plasma display panels, all for monitoring the operation of elevators, escalators and moving walkways and other vertical, horizontal and inclined transport installations, building installations, systems for access control, guidance and navigation, of locking systems, doors, turnstiles, swing gates, barriers and gates; remote monitoring apparatus consisting primarily of video monitors, electrical controllers, cameras, sensors, motion sensors, and light barriers and infrared sensors for monitoring human activity in elevators, boats, buildings and public facilities; remote control apparatus consisting primarily of electronic controllers, proximity sensors, inductive sensors, capacitive sensors, current sensors, voltage sensors, load and level sensors, infrared sensors, ultra sound sensors, biometric sensors, RFID sensors, acoustic sensors, cameras, video cameras, computers, movement detectors, light barriers, electric signal buzzers, siren alarms, luminous signs, stroboscopic electric warning lights, loudspeakers, computer monitors, video monitors, touchscreen monitors, TV monitors, electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels and plasma display panels, all for the control of elevators, escalators and moving walkways and other vertical, horizontal and inclined transport installations as well as access to elevators, escalators and moving walkways and other vertical, horizontal and inclined transport installations, and access to buildings, boats, areas surrounded by a fence and restricted areas within buildings and boats; remote control apparatus consisting primarily of electronic controllers, proximity sensors, inductive sensors, capacitive sensors, current sensors, voltage sensors, load and level sensors, infrared sensors, ultra sound sensors, biometric sensors, RFID sensors, acoustic sensors, cameras, video cameras, computers, movement detectors, light barriers, electric signal buzzers, siren alarms, luminous signs, loudspeakers, computer monitors, video monitors, touchscreen monitors, TV monitors, electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels and plasma display panels and corresponding downloadable software, all for the control of lighting fixtures; remote control apparatus consisting primarily of electronic controllers, proximity sensors, inductive sensors, capacitive sensors, current sensors, voltage sensors, load and level sensors, infrared sensors, ultra sound sensors, temperature sensors, carbon monoxide detectors, smoke detectors, biometric sensors, RFID sensors, acoustic sensors, cameras, video cameras, computers, movement detectors, light barriers, electric signal buzzers, siren alarms, luminous signs, stroboscopic electric warning lights, loudspeakers, computer monitors, video monitors, touchscreen monitors, TV monitors, electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels and plasma display panels and corresponding downloadable software, all for controlling heating, ventilation, air-conditioning and fire alarm installations; electric control panels; level indicators; electric control panels for landing operation; car operating touch panels; electronic control and display apparatus for elevators, namely, car operating electronic indicator panels with push buttons; thin film transistor-liquid crystal display (TFT-LCD) panels and picture projectors; light emitting diode (LED) displays and picture projectors; organic light emitting diode (OLED) display panels and picture projectors; liquid crystal display (LCD) panels and picture projectors; electronic apparatus in the nature of plasma display panels; computer screens; television monitors; touch screens; electronic notice boards; computer screens, touch screens, television monitors and multimedia projectors, all for interactions with passengers of elevators, escalators and moving walkways; loudspeakers; light emitting diode (LED) displays; emergency warning lights; warning bell; electromagnetic emergency signal transmitters; alarms, namely, fire alarms, anti-intrusion alarms, burglar alarms, flood alarms consisting primarily of water alarm sensors, humidity alarm sensors, temperature sensors, transmitters of electronic signals, electric signal buzzers, sirens as alarms, luminous signs, stroboscopic electric warning lights, loudspeakers, all for protection against floods; hazard alarms, namely, earthquake alarm installations and alarms, and alarms for the detection of inflammable gases; motion alarm systems consisting primarily of cameras, video cameras, motion sensors, proximity sensors, optical sensors, microwave sensors, acoustic sensors, light sensors, light barriers, infrared sensors, transmitters of electrical signals, electric signal buzzers, siren alarms, luminous signs, stroboscopic electric warning lights, loudspeakers, all for detecting the motion of persons, animals and objects; alarms, namely, fire alarms, anti-intrusion alarms, burglar alarms; emergency call alarms and incident alarms consisting primarily of cameras, video cameras, proximity sensors, current sensors, voltage sensors, load and level sensors, light barriers, light sensors, infrared sensors, ultra sound sensors, optical sensors, transmitters of electrical signals, microwave sensors, acoustic sensors, electronic controllers, electric signal buzzers, siren alarms, luminous signs, stroboscopic electric warning lights, loudspeakers for detecting incidents; computer equipment, namely, data processing apparatus for receiving, recording, transmitting, processing, converting, sending and reproducing voice, audio and video data, drawings, images and signals in connection with the design, installation, maintenance and repair, renovation and modernization of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, systems for access control, guidance and navigation, locking systems, doors, turnstiles, swing gates, barriers and gates; electronic guidance systems consisting primarily of smartphones, mobile telephones, smart watches, computer processing units, computers, laptops, tablet computers, network routers, wireless routers, modems, microprocessors, computer processors, computer servers, computer network servers, monitors, touch screens, microphones, cameras, video cameras, loudspeakers, luminous signs, video monitors, touchscreen monitors, TV monitors, and electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels, plasma displays panels, and downloadable software for the orientation of users and flow of users; electronic navigation systems consisting primarily of smartphones, mobile telephones, smart watches, computer processing units, computers, laptops, tablet computers, network routers, wireless routers, modems, microprocessors, computer processors, computer servers, computer network servers, monitors, touch screens, microphones, cameras, video cameras, loudspeakers, luminous signs, video monitors, touchscreen monitors, TV monitors, and electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels, plasma displays panels, and downloadable software, for use in connection with GPS, mobile data and radio-communications; electronic access control systems consisting primarily of electronic card readers, electronic radio frequency identification (RFID) readers, electronic near field communication (NFC) readers, electronic readers of optical codes, electronic readers for biometric identification, particularly identification of the face, voice, iris, fingerprints and hand, electronic controllers, smartphones, mobile telephones, smart watches, computer processing units, computers, laptops, tablet computers, network routers, wireless routers, modems, microprocessors, computer processors, computer servers, computer network servers, monitors, touch screens, microphones, cameras, video cameras, loudspeakers, luminous signs, video monitors, touchscreen monitors, TV monitors, and electronic displays, namely, thin film transistor-liquid crystal display (TFT-LCD) panels, light emitting diode (LED) displays, organic light emitting diode (OLED) display panels, liquid crystal display (LCD) panels, plasma displays panels, and downloadable software, all for controlling access to ships, buildings, access restricted areas within buildings, areas surrounded by a fence, to elevators, escalators and moving walkways; radio frequency identification systems consisting primarily of radio frequency identification (RFID) readers, near field communication (NFC) readers, radio frequency identification (RFID) tags, near field communication (NFC) tags; components for radio frequency systems, namely, antennas and multiprocessor memory chips; radio frequency identification (RFID) tags; encoded near field communication (NFC) tags for access control; radio frequency identification (RFID) readers and near field communication (NFC) readers for encoded identification cards, encoded key cards, encoded smart cards and encoded labels; encoded identity cards; encoded key cards; encoded smart cards containing programming used to identify individuals in a computer system; encoded bar code labels; optical code readers; biometric identification apparatus, particularly of the face, voice, iris, fingerprints and hand; mobile telephones; smartphones; wearable computers to be used on the user's body, namely, smartwatches, smartglasses and smart bracelets; goods of augmented reality and virtual reality, namely, 3D spectacles, headphones, audio speakers, digital spectacles, head-mounted video displays; goods of augmented reality and virtual reality, namely, electronic digital gloves consisting primarily of acceleration sensors, flexion sensors, abduction sensors, tactile sensors, position sensors, rotation sensors, fiber-optic cables, interface and microprocessors for data communication, transceivers for data transmission; stereoscopes featuring 3D displays, 3D scanners, 3D cameras and 3D microphones; magnetic and digital storage media, namely, blank electronic memory cards, blank USB flash drives, solid-state disk drives, blank recordable DVD-Rs, blank video tapes, blank computer disks, blank CD-ROMs for sound or video recording, as well as prerecorded USB flash drives featuring recorded monitoring and control software in the field of elevators, escalators, moving walkways, conveyors, access control, GPS navigation and security systems, solid-state prerecorded flash drives featuring recorded monitoring and control software in the field of elevators, escalators, moving walkways, conveyors, access control, GPS navigation and security systems, DVD recorders, multimedia software recorded on CD-ROMs featuring recorded monitoring and control software in the field of elevators, escalators, moving walkways, conveyors, access control, GPS navigation and security systems, computer hard disks and prerecorded video tapes featuring recorded monitoring and control software in the field of elevators, escalators, moving walkways, conveyors, access control, GPS navigation and security systems; downloadable software for access control of elevators, escalators, moving walkways, conveyors, and GPS navigation and security systems; tablet computers; computers; network routers; wireless routers; computer network interface devices; microprocessors; downloadable software for creating and managing a database of voice, audio, video files, multimedia files, and data for operating and for users of elevators, escalators, moving walkways, building installations, access control systems, doors, turnstiles, swing gates, barriers and gates; downloadable software and downloadable mobile applications for searching, playing, displaying and storing voice, audio, video and multimedia files; downloadable software for the production of virtual sound; downloadable software and downloadable mobile applications for monitoring and controlling elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations as well as installations for buildings; downloadable software and downloadable mobile applications for monitoring and controlling the operation of alarm, access control, guidance and navigation systems; downloadable software and downloadable computer application software for mobile phones, smart phones, smart watches, fitness monitors and tablet computers, all for monitoring and controlling elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations as well as installations for buildings; downloadable software and downloadable mobile applications for operating wireless routers and network routers; downloadable software and downloadable mobile applications for the connection of mobile telephones, smartphones, smart watches, fitness monitors, computer clothing and tablet computers to building installations, access control, navigation and guidance systems, doors, turnstiles, swing gates, barriers and gates; downloadable software and downloadable computer application software for mobile phones, smart phones, smart watches, fitness monitors and tablet computers, all for locating users in and out of buildings, parts of buildings, public facilities, elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations; downloadable software and downloadable computer application software for mobile phones, smartphones, smart watches, fitness monitors and tablet computers, all for guiding and navigating users in and out of buildings, parts of buildings, public facilities, and to elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations; electric sensors, namely, proximity sensors, current sensors, voltage sensors, load and level sensors, inductive sensors, capacitive sensors, earthquake sensors, water sensors, acoustic sensors, infrared sensors, ultrasound sensors, biometric sensors, radio frequency identification (RFID) sensors and radio frequency (RF) sensors; frequency converters; electrical transformers; photovoltaic solar modules for production of electricity; electricity storage batteries; uninterrupted electrical power supplies; voltage surge protectors; power distribution boxes; current rectifiers; electric current switches; integrated circuits; printed circuits; electrical circuit boards; electric control panels; electric safety devices, namely, fuses; integrated circuits with electricity safety features; electric and electronic locks; radio-frequency controlled locks; electronic publications, namely, downloadable magazines, manuals for teaching, manuals for training, practice manuals, installation manuals, repair and modernization instruction manuals, manuals, newsletters, brochures and spare parts leaflets, all in the field of elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations, access control, guidance, navigation and safety systems

Compilation, systematization and updating of data in computer databases; database management by computer; computer data entry services and data processing for monitoring, access control and guidance and navigation systems in computer databases; computer data entry services and data processing featuring operating data for elevators, escalators, moving walkways and other vertical transport systems, horizontal and inclined transport installations, building installations, monitoring, access control, guidance and navigation systems, locking systems, doors, turnstiles, revolving doors, barriers and gates in computer databases; statistical analysis and reporting services for business purposes relating to operating data for elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, monitoring, access control, navigation and guidance systems, locking systems, doors, turnstiles, swing gates, barriers and gates; administrative processing of purchase orders by telephone or computer; order fulfillment services; invoicing; e-commerce services, namely, provision of information on products through telecommunication networks for advertising and sales purposes; providing consumer product information and consultation therefor, featuring purchases, designs and specification rates, all in the field of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, access control, navigation and guidance systems, for advertising and sales purposes; wholesale and retail store services and online wholesale and retail store services, featuring spare parts and components of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, access control, navigation and guidance systems, locking systems, door openers, door closers, doors, turnstiles, revolving doors, barriers and gates; advertising and marketing services, namely, promoting for sale the goods and services of others; advertising using computer screens, touch screens, television screens, projection apparatus, video projectors and electronic bulletin boards; rental of advertising space; provision of advertising space by electronic means and global information networks; rental of advertising time on communication media; organizational services for business purposes and business management, in the field of customer loyalty programs; organization of trade fairs and exhibitions for economic or advertising purposes

Provision of building construction information; building construction consultancy; information on the repair, maintenance, operational maintenance, servicing and overhaul of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, access control, navigation and guidance systems, locking systems, doors, door openers, door closers, gates, turnstiles, revolving doors and barriers; installation, maintenance, repair and overhaul of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, as well as building elements and components as parts of these installations; installation, maintenance, repair and construction for the modernization of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, as well as building elements and components as parts of these installations; partial dismantling of existing elevators, escalators and moving walkways, for the preparation of the modernization thereof; consulting on the installation, maintenance, repair, overhaul and modification of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations as well as building elements and components as parts of these installations; preventive maintenance of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, access control systems, locking systems, doors, door openers and door closers, gates, turnstiles, swing gates and barriers and components thereof; consulting on the installation, maintenance, repair, overhaul and modification of access control, guidance and navigation systems, locking systems, doors, door openers and door closers, gates, turnstiles, swing gates, barriers and gates; installation, maintenance, repair, overhaul and modification of elevators, escalators, moving walkways, access control, navigation and guidance systems, locking systems, doors, door openers and door closers, gates, turnstiles, swing gates and barriers through remote access with a communication link, particularly via the Internet; installation, maintenance, repair, overhaul, modification, and consultation related thereto, of alarm and monitoring systems ; installation, maintenance and repair of computers and of apparatus for telecommunications

Providing electronic online telecommunication connections to data banks; provision of access to the internet, featuring internet search platforms and website portals; electronic transmission of voice, audio, and video data, messages, texts, drawings, images via analog and digital communication networks, radio networks and wired telecommunication networks; communication services by telephone; paging services by radio or telephone; providing electronic telecommunication connections for hotlines and call centers; providing internet chatrooms and on-line forums for transmission of messages among computer users; providing electronic telecommunication connections for data exchange between the central computing apparatus and elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, access control, navigation and guidance systems, locking systems, doors, turnstiles, swing gates, barriers and gates; providing multiple user access to databases on the internet in the field of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, access control, navigation and guidance systems, locking systems, doors, turnstiles, swing gates and gates by means of a communication network; providing multiple user access to databases on the internet in the field of disorders of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, access control, navigation and guidance systems, locking systems, doors, turnstiles, swing gates and gates by means of a communication network; electronic transmission of data and voice signals, and data of all types for the purpose of monitoring, control, maintenance and repair of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations; transmission of signals of alarm apparatus and access control systems; electronic transmission of emergency messages via computer networks and telecommunication networks; electronic transmission of data and signals of navigation and guidance systems for tracking people and objects and the orientation of persons inside and outside buildings; electronic transmission, via computer and telecommunication networks, of messages, notifications, entertainment, images, advertising information, elevator position information and emergency information for users of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations; electronic transmission, via computer and telecommunication networks, of data featuring teaching and training as well as installation, modernization and repair instructions; rental of access time to global computer networks for data in computer databases; rental of telecommunication apparatus

Research and development in the field of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, access control, navigation and guidance systems, locking systems, doors, turnstiles, swing gates, gates, barriers and gates; research and development in the field of safety engineering; research, electronic monitoring and analysis for others to assure compliance with industry standards, all in the field of human traffic flow inside, between and outside buildings; custom design and development of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, monitoring, access control, guidance and navigation, locking systems, doors, turnstiles, swing gates, barriers and gates; technological planning for engineering purposes and engineering services in the field of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, surveillance systems, access control, guidance and navigation systems, locking systems, doors, turnstiles, swing gates, barriers and gates; material testing for quality control purposes in the field of functionality of equipment; material testing for technical purposes in the field of functionality of equipment; energy auditing; computer-aided remote maintenance of software, for monitoring and control of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, security, access control, guidance and navigation systems, locking systems, doors, turnstiles, swing gates, barriers and gates as well as building elements and components as parts thereof; remote electronic monitoring of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, security systems, access control, guidance and navigation systems, locking systems, doors, turnstiles, swing gates, barriers and gates via communication link by means of computer systems for monitoring the operating condition of the aforesaid goods; remote diagnostics services in the field of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, security systems, access control, guidance and navigation systems, locking systems, doors, turnstiles, swing gates, barriers and gates via communication link using computer systems for detecting incidents and to determine malfunctions or a need for maintenance; quality management, namely, quality evaluation and analysis for others to assure compliance with industry standards of operating data in the field of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, security systems, access control, guidance and navigation systems, locking systems, doors, turnstiles, swing gates, barriers and gates; computer system analysis and electronic monitoring of telecommunication signals; programming, development, installation, updating and maintenance of software and application software as well as consulting services relating thereto; design and development of virtual reality and augmented reality software; programming of software for Internet platforms; providing of Internet platforms, namely, providing a website featuring non-downloadable software and non-downloadable application software for use on mobile telephones, computers, tablet computers and smart watches for the management of elevator, escalator and moving walkway performance operational data and data in the field of elevator, escalator and moving walkway maintenance and repair; providing temporary use of non-downloadable computer software for database management and for monitoring and controlling the operation of elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, security systems, access control, guidance and navigation systems, locking systems, doors, turnstiles, swing gates, barriers and gates via computer networks and telecommunication networks, in particular, via the internet; providing temporary use of non-downloadable computer software for database management relating to the use of education and training material, instructions for installation, repair and modernization purposes via a computer network or a telecommunication link; providing temporary use of non-downloadable computer software for use in the installation, configuration and design of elevators, escalators and moving walkways; providing temporary use of non-downloadable cloud-based web software applications in a cloud computing network for use on for mobile telephones, computers, tablet computers and smart watches for authorizing access to databases, for allowing communications between mobile telephones, computers, tablet computers and smartwatches and elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations, access control, navigation and guidance systems, doors, turnstiles, swing gates, barriers and gates, for locating, guiding and navigating users in and out of buildings, parts of buildings, public facilities, and to elevators, escalators, moving walkways and other vertical and horizontal and inclined transport installations, and for controlling access to ships, buildings, access restricted areas within buildings, areas surrounded by a fence, to elevators, escalators and moving walkways and other vertical and horizontal and inclined transport installations; software as a service (SAAS) services featuring software for use in database management and for use in operating elevators, escalators, moving walkways and other vertical, horizontal and inclined transport installations, building installations, access control, navigation and guidance systems, locking systems, doors, turnstiles, swing gates, barriers and gates; creation of voice communication and data interface software for connections to computer data banks and call centers for others; providing temporary use of non-downloadable computer software for monitoring human activity in elevators, boats, buildings and public facilities; providing temporary use of non-downloadable computer software for automatically operating of emergency messages via computer networks and telecommunication networks; computer services, namely, computer programming and software design for management of user rights in computer networks; computer security services in the nature of providing, authentication, issuance, validation and revocation of digital keys; computer programming and software design for the authentication of smart cards and the management of user rights and related applications; software rental