7
Current generators; Power supply apparatus [generators]
9
Solar modules; Photovoltaic solar modules; Solar panels for the production of electricity; Solar panels; Solar battery chargers; Solar cells; Solar cells for electricity generation; Solar batteries for domestic use; Solar batteries for industrial use; Solar energy collectors for electricity generation; Photovoltaic apparatus and installations for generating solar electricity; Fuel cells; Electricity storage apparatus; Electric power units; Apparatus and instruments for accumulating electricity
11
Solar energy powered heating installations; Solar thermal collectors [heating]; Thermal storage instruments [solar energy] for heating; Water conditioning units; Water treatment filters; Water conditioning installations; Ionization apparatus for the treatment of water; Ultraviolet sterilization units [water treatment equipment]; Installations for water treatment under osmotic process; Filters for drinking water; Drinking water supply apparatus; Drinking water supply installations; Apparatus for filtering drinking water; Water purifying units for producing potable water; Water filtering units; Bioreactors for use in the treatment of wastewater; Electric water purifiers for household purposes; Filters for water purifiers; Filter apparatus for water supply installations; Membrane purifying apparatus for the purification of water; Rainwater purification installations; Transportable instruments for processing water; Water purification units; Water purification installations; Water ionizers; Water filtering apparatus; Water filtering installations; Water filters; Water softening installations; Water purifying apparatus and machines
19
Roofing, not of metal, incorporating photovoltaic cells; Prefabricated houses [kits], not of metal; Prefabricated houses [kits] of wood; Modular building units (Non-metallic -); Modular log homes
42
Technical design and planning of water purification plants; Design and development of regenerative energy generation systems; Technological consultancy in the fields of energy production and use; Professional consultancy relating to energy efficiency in buildings; Consultancy relating to technological services in the field of power and energy supply; Technical design services relating to water supply installations; Technical design and planning of pipelines for gas, water and waste water; Consultancy relating to filtration technology; Technical consultancy services relating to civil engineering; Advisory services relating to the use of energy; Technological consulting services in the field of alternative energy generation