Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; air filtering installations; gas and electric pasta cookers, gas fryers, gas and electric grills, gas and electric griddles, gas and electric boiling pans, gas and electric braising pans, gas and electric double boilers; air filtering installations; apparatus for cooling beverages; electric bread toasters; electric coffee makers; refrigerating containers; gas and electric stoves; electric cooking pots and cooktops; electric fryers; extractor hoods for kitchens; freezers; baking and cooking ovens except those for experimental purposes; parts for cooking ovens, namely, shaped casings for ovens; gas cookers; gas regulators; regulating accessories for gas pipes and lines; supports for gas cookers; cooking oven parts, namely, grates; electric cooking plates; convection ovens; electric kettles; parts for cooking ovens, namely, oven supports; baking and cooking ovens; kitchen cooking ranges; microwave ovens, fittings for cooking ovens made of refractory materials, namely, liners, casings, plates and coverings; pasteurisers for use with foods and beverages; refrigerating appliances and installations; refrigerating chambers; refrigerated containers; refrigerated display cabinets; refrigerating cabinets; regulating and safety accessories for water installations, namely, pressure regulators and metered valves; regulating accessories for water apparatus and pipes; electric roasters; coffee roasters; electric steam cookers; ice machines and apparatus; wash basins; commercial dryers sold as a unit for washing and drying food plates, bowls, pots, pans, glasses, cookwares and food preparation utensils; blast chillers for commercial food preparation and storage, deep-freezers, refrigerated cabinets, refrigerated counters, refrigerated showcases, refrigerated buffets, refrigerated ice cream cabinets, ventilation hoods, refrigerated displays for food, heated displays for food, retarder-prover cabinets, namely, refrigerating and heating apparatus for the control of leavening processes; gas and electric solid top; gas and electric bain marie