[Class : 11] Installations For Conveying Exhaust Gases Sanitary Installations, Water Supply And Sanitation Equipment Water Sterilization, Disinfection And Decontamination Equipment Steam Baths, Saunas And Spas Burners, Boilers And Heaters Lighting And Lighting Reflectors Cooking, Heating, Cooling And Preservation Equipment, For Food And Beverages Filters For Industrial And Household Use Industrial Treatment Installations Gas Cleaners And Purifiers Refrigerating And Freezing Equipment Heating, Ventilating, And Air Conditioning And Purification Equipment (Ambient)air Treatment Equipment Hvac Systems (Heating, Ventilation And Air Conditioning).