9
Burglar alarms; Electronic anti theft devices; Smoke alarms; Sensors and detectors; Signalling apparatus and instruments; Alarms; Photovoltaic apparatus for converting solar radiation to electrical energy; Solar panels; Solar panels; Solar powered radios; Solar powered telephones; Photovoltaic modules; Photovoltaic inverters; Photovoltaic solar modules; Calibrated photovoltaic reference cells; Solar batteries; Battery chargers
11
Heating apparatus and installations; Solar energy powered heating installations; Steam generating installations; Steam generating apparatus; Cooking appliances; Installations for cooking; Refrigerating installations; Refrigerating apparatus; Drying apparatus and installations; Ventilating installations; Ventilation [air-conditioning] installations and apparatus; Water distribution installations; Sanitary installations; Regulating and safety accessories for water apparatus; Regulating and safety accessories for gas apparatus; Solar water heaters; Solar powered torches; Solar lamps; Heating frames; Heat pumps; Boilers; Water heaters for shower baths
37
Installation of boilers; Repair or maintenance of boilers; Repair of heating apparatus; Installation of apparatus for heating; Installation of solar heating systems; Installation and maintenance of solar thermal installations; Installation and maintenance of photovoltaic installations