6
Building materials of metal; Tanks of metal, Especially Containers, Especially Insulating containers, including double-wall containers with a evacuated space between the walls and heat-insulated containers and containers for storing thermal carriers; Tubes of metal; Valves of metal (other than parts of machine); Pipes, of the following materials: Ferritic steel
11
Heating installations, specifically, Heating installations featuring solar technology apparatus; Solar energy collectors (heating, water heating), specifically Vacuum-tube collectors, storage collectors, and installations made from the aforesaid goods, including in the form of swimming pool absorbers and thermal syphon systems; Apparatus for steam generating, cooking, drying and ventilating; Air-conditioning and ventilation installations and apparatus; Heat regenerators; Storage water heaters; Solar water heaters
19
Building materials (non-metallic), in particular solar glass; Roofs, not of metal, for generating heat, incorporating solar cells
42
Technical consultancy and development, Relating to the following sectors: System regulation and pumps for heating installations, heating installations, in particular the aforesaid featuring solar technology apparatus and/or heat pumps, solar collectors (heating, cooling, water heating), Especially Vacuum-tube collectors, storage collectors, and installations made from the aforesaid goods, including in the form of swimming pool absorbers and thermal syphon systems, steam generating appliances, Cooking implements, Dryers for apparatus, ventilation devices, Air-conditioning and ventilation installations, Regenerators (heat -)