Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Aquarium lights; Automatic flush valves for toilets; Automotive lighting headlights for vehicles; Baking ovens; Bathroom heaters; Bicycle lights; Bread baking machines; Ceiling lights; Chandeliers; Dripper irrigation systems, comprised of valves, filters and regulators; Electric hot-water bottles; Electric torches for lighting; Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; LED (light emitting diode) lighting fixtures; LED light strips for decorative purposes; Light bulbs; Lighting apparatus, namely, lighting installations; Lighting installations for air vehicles; Lights, electric, for Christmas trees; Luminous tubes for lighting; Refrigerating cabinets; Safety lamps for underground use; Sockets for electric lights; Taps for pipes and pipelines being parts of sanitary installations; Theatrical stage lighting apparatus