Air-conditioning installations; Air purifying apparatus and machines; Air sterilizers; Apparatus for disinfecting water; Bath installations; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric lamps; Germicidal lamps for purifying air; Hair dryers; Heating apparatus for solid, liquid or gaseous fuels; Ionization apparatus for the treatment of air; Solar powered lamps; Water purifying apparatus and machines; Aircraft galleys so...