Common metals, namely bars and ingots for use in further manufacture; common metal alloys, namely copper-based alloys resistant to dezincification and stainless steel and copper alloys which are resistant to stress corrosion; small items of metal hardware, namely handles and springs for valves; pipes and tubes of metal; goods of common metals and their alloys not included in other classes, namely valves that are not part of machines, pipe couplings and structural parts therefore

Apparatus and instruments for weighing, measuring, signaling, automation, control and checking apparatus, systems and instruments, namely sensors for measuring water or air temperatures, digital signal processors, pressure sensors; computer controlled apparatus, namely computer based apparatus for designing the layout of heating and cooling systems and flow and temperature measuring instruments; computer controlled systems for measure and control of flow and temperature primarily comprising gauges, displays, sensors and timers; and systems, namely computer based systems for designing the layout of heating and cooling systems and flow and temperature measuring systems comprising gauges, sensors and timers, circuit boards and computer software for use in the field of heating, ventilation and air conditioning, all the aforementioned goods for heating, cooling, ventilation, water supply, temperature adjustment, power supply, air conditioning and security devices in buildings; transformers, rheostats, and structural parts for the aforementioned goods

Apparatus for heating, cooling, ventilation, water supply, air conditioning and sanitary purposes in buildings, namely regulating armatures for water and pipes in heating and cooling installations; heat pumps, water purification apparatus; control valves, namely balancing valves for use in heating and cooling installations, structural parts for the aforementioned goods

Building construction; repair; installation and maintenance services; all these services in connection with heating systems, cooling systems, ventilation systems, water supply systems, temperature adjustment systems, power supply systems, air conditioning systems and security devices in buildings