springs being non-metal fittings for upholstery; winding spools, not of metal, non-mechanical, for flexible hoses; hose clamps, not of metal; non-metal hose clamps; clamps, not of metal, for cables and pipes; springs being non-metallic fittings for upholstery; clamps, not of metal, for fastening cables and pipes; loading gauge rods, not of metal, for railway wagons; loading gauge rods, not of metal, for railway waggons