[Class : 11] Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying Ventilating, Water Supply And Sanitary Purposes; Tanks And Its Accessories Like Septic Tank, Bio Digester, Water Tank, Toilet Tank , Waste Water Tank.; Treatment Plants And Its Accessories Like Sewage Treatment Plant, Effluent Treatment Plant, Disposal System, Purification, Water T...