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
37
Building construction, including the installation of lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, air filtering and water supply apparatus and of sanitary installations; repair of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air-conditioning, ventilating, heat recovery, air filtering, water supply and sanitary purposes, air filters and parts and accessories for the aforesaid apparatus and installations
40
Custom manufacture of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, air-conditioning, ventilating, heat recovery, air filtering and water supply and sanitary purposes
42
Construction and design planning and consultancy; engineering; providing of expert opinion; technical consultancy and providing of expertise; design, development, planning, project management and construction (engineering services) of industrial and machine installations, lighting, heating, steam generating, cooking, refrigerating, drying, air conditioning, ventilating, heat recovery, air filtering and water supply apparatus and of sanitary installations, 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