7
Heat recovery devices [parts of machines]; Heat exchangers (being parts of machines and installations composed thereof) for recovering heat from industrial manufacturing processes; Heat exchangers (being parts of machines and installations composed thereof) for recovering heat in power plants; Heat exchanger units (machine parts)
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air-conditioning, ventilating, heat recovery, air filtering and water supply and sanitary purposes; Air filters, parts and accessories of the aforesaid apparatus and installations; Heat regenerators; Heat exchangers, not parts of machines; Air to Air Heat Exchanger; Rotary heat exchangers; Including all the aforesaid goods being energy and heat recovery installations
37
Building construction, including installation of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, energy recovery, air filtering, water supply and sanitary purposes; Repair of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, energy recovery, air filtering, water supply and sanitary purposes, air filters, and parts and fittings for the aforesaid apparatus and installations
40
Custom manufacture of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, energy recovery, air filtering, water supply and sanitary purposes
42
Construction and design planning and consultancy; Engineering services; Providing of expert opinion; Technical consultancy and providing of expertise; Design, development, planning, project planning and construction (engineering) of industrial and machine installations, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, energy recovery, air filtering, water supply and sanitary purposes, air filters; Material testing; Services of a research and development office; Creation of new products; Data programming for others; All the aforesaid services for others
45
Management, control and granting of licence rights