11 Heating apparatus and installations, namely, heating installations, heating ovens in the nature of kilns, drying ovens in the nature of kilns; ventilation apparatus and installations, namely, ventilating exhaust fans, ventilating fans for commercial and industrial use; purification apparatus and installations, namely, air purification apparatus, water purification apparatus, gas purification machines; air conditioning equipment; air conditioning apparatus; refrigerating cabinets; drying cabinets, namely, electric cabinets used to control temperature and humidity for heating and proofing food goods; drying ovens, namely, kilns; industrial vacuum drying cabinets using air and heat to assist in the drying of components in the medical, electronics, chemical, pharmaceutical and energy industries; refrigeration and freezing equipment, namely, refrigerators and freezers; cooling appliances, namely, refrigerating chambers; cooling apparatus, namely, air cooling apparatus; refrigerators; heating cabinets, namely, heated display cabinets; heat accumulators; water heating apparatus, electric; sterilizers; sterilization and disinfection installations and equipment, namely, sterilizers, disinfection apparatus; lighting fixtures and light reflectors; structural parts in the nature of housings for all the aforesaid goods