11 Apparatus for heating and steam generating installation, namely, stoves, boilers, steam boilers, heat exchangers, burners, radiators, heat pumps, electrical water boilers, solar collectors and apparatus, ranges, apparatus for air conditioning and ventilating, namely, air conditioning apparatus, fans, ventilation apparatus, air purifying apparatus, air filtering installations, air sterilizer; coolers, deep freezers, ice boxes, ice machines and apparatus, apparatus for cooking, namely, toasters, deep fryers, grills (cooking appliances), barbecues, ovens, tea and coffee machines, electric kettles, cookers, bread toasters, autoclaves, rotary grills, doner grills, electric apparatus for the production of popcorn; taps, thermostatic valves, level controlling valves, showers, pipes, watering machines for agricultural purposes, regulating accessories for water or gas apparatus and pipes, fountains; water purifying apparatus and machines, water softening apparatus and installations, water sterilizers, purification installations for sewage; drying apparatus; ovens used in industry; cooling installations and machines; pasteurisers, sterilizers; laundry dryers, french fries warmer