Light bulbs; Light bulbs, electric; Lamp mantles; LED lighting apparatus; Lighting apparatus and installations; Discharge tubes, electric, for lighting; Luminous tubes for lighting; Lampshade holders; Germicidal lamps for purifying air; Ultraviolet ray lamps, not for medical purposes; Air cooling apparatus; Air-conditioning installations; Pressure water tanks; Water purification installations; Water distribution installations; Water purifying apparatus and machines; Ventilation installations; Ventilation apparatus; Ionization apparatus for the treatment of air or water; Disinfectant apparatus; Fans (air-conditioning)

Computer software, recorded; monitors [computer programs]; computer programs, downloadable; radios; intercommunication apparatus; digital data storage media; transformers [electricity]; current rectifiers; lighting ballasts; voltage stabilizing power supply.