Air-conditioning, air cooling and ventilation apparatus and instruments; Commercial and industrial cookware, namely gas and electric boilers, gas and electric broilers, gas and electric roasters, gas and electric braising pans; Energy storage plants; Equipment for treating groundwater and soil comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers; Faucets for pipes and pipelines being parts of sanitary installations; Flexible pipes being parts of shower plumbing installations; Gas cookers; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; Ice machines and apparatus; Lamps for festive decoration; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Regulating accessories for water supply, namely, metered valves; Swimming pool skimmer flow diverting weir for increasing the amount of debris drawn into the skimmer; Ventilating fans for commercial and industrial use; Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water