Web site design; Web site design consultancy; Web site development for others; Website design and development for others; Website design consultancy; Website development for others; Website usability testing services; Administration of websites for third parties; Building and maintaining websites; Cartographic measurement services by drone; Computer programming; Computer programming services; Computer programming services for training with various programming languages; Computer website design; Computer services in the nature of customized web pages and other data feed formats featuring user-defined information; Consultancy with regard to webpage design; Creating web pages for others; Creating websites for others; Creating and maintaining internet sites for others; Creating and maintaining websites for others; Design and maintenance of web sites for others; Design of homepages and websites; Designing internet sites for others; Designing web pages for others; Designing websites for advertising purposes; Designing websites for others; Developing customized web pages featuring user-defined information; Development and creation of computer programmes for data processing; Electronic monitoring and reporting of construction, agriculture, buildings and facilities, and advertising with drones using computers or sensors; Electronic monitoring of construction, agriculture, buildings and facilities, and advertising with drones using computers and sensors; Homepage and webpage design; Maintaining websites for others; Managing web sites for others; Providing an on-line network environment featuring technology that enables users to share data in the field of facilities, private properties, and buildings with drones; Recording data for others on optical, digital and magnetic media for electronic storage; Research and development of advanced learning technologies and teaching methods; Thermographic measurement of landscapes and facilities by drone; Topographic surveying services by drone; Updating websites for others