Humidifiers; Air-conditioning apparatus; Air filtering installations; Air purifying apparatus; Air sterilizers; Air sterilizing apparatus; Bath installations; Cooking ovens; Dish disinfectant apparatus for industrial purposes; Disinfectant apparatus for medical purposes; Electric fans for personal use; Heating installations; Heating and cooling apparatus for dispensing hot and cold beverages; Hot water heating installations; Ionization apparatus for the treatment of air; Lighting installation...