challenge effıcıency

Computer programs [programs], recorded; recorded computer programs only for design, calculation and control of heat exchangers, remote refrigeration stations and district heating stations and apparatus and instruments for measuring, signaling and control (supervision); apparatus and instruments for measuring, signaling and control (supervision); electric installations for the remote control of industrial operations; water meters and quantity indicators; luminous or mechanical signaling panels; pressure indicators and pressure gauges; densimeters, thermostats, temperature indicators; heat regulating apparatus; control instruments for heat regulating apparatus, heating boilers and heat exchangers. Taps for pipes; control and safety devices for water supply plants; pipes, constituting parts of heating, ventilation and sanitation installations; sanitary apparatus and installations; water heaters; ventilation installations and apparatus (air-conditioning); radiators, heating installations, heating boilers, heat exchangers (not parts of machines) and parts and fittings therefor not included in other classes. Technical consultancy in the field of heating, ventilation, air- conditioning, refrigeration, energy and computer hardware and software; scientific and technological services and research and design relating thereto; engineering services; calibration (measuring); design and development of computer hardware and software; installation and leasing of computer software; leasing of computer hardware.