GRADA

Common metals and their alloys, unwrought or semi-wrought; transportable metal constructions; non-electric cables and wires of common metal; grilles of metal and steel, namely, exhaust grilles and safety grilles being structural parts of ventilating ducts of metal; Ventilating ducts of metal; ducts of metal for air conditioning installations, metal tubes for industrial use, gutter pipes of metal; Metal construction materials, namely, exhaust vent hoses for external ventilation of furnaces, heaters, stoves and boilers; Valves of metal, other than parts of machines, for metal hoses, pipes, and tubes; Metal conduit; Fittings of metal for flexible pipes; Metal hose clips for use with pipes and hoses; chimneys of metal

Apparatus for ventilating, ventilating installations and flues, namely, ventilating fans for household, commercial and industrial use; ventilating louvers; air diffusers for the supply and exhaust of cooled and heated air, namely, ceiling diffusers, duct diffusers, slot diffusers, swirl diffusers, floor diffusers; air handlers; ventilation hoods; chimney flues; air flow dampers, namely, control devices used in air ducts to regulate the flow of air; air conditioners; flues for air conditioners, namely, extractor hoods; flues for ventilating fans, namely, air valves

Non-metal building materials, namely, plastic, PVC, and ceramic venting ducts, plastic, PVC, and ceramic trellises, and plastic, PVC, and ceramic pipes; rigid pipes, not of metal for building; asphalt, pitch and bitumen; nonmetallic transportable constructions; non-metal monuments; non-metal ventilating ducts; trellises, not of metal; non-metal pipes, tubes and valves being structural parts of non-metal ventilating ducts