Steam and gas generating apparatus, namely, steam generators, electrochemical gas generators; water supply apparatus, namely, manually-operated plumbing valves; vessels, namely, air and gas spa bathtubs; filters for water purifiers, water purification units, water purifying and water treatment installations; water purifying units for producing potable water; apparatus and equipment for operating spa baths, namely, vessels in the nature of whirlpool baths; whirlpool-jets

mineral and cementitious adhesive compositions for adhering tiles