[ Rubber sleeves for protecting parts of machines, Cushioning of plastic in the nature of stuffing, Cushioning of rubber in the nature of stuffing, Padding materials of rubber or plastics, ] Non-metal sealing rings for use as connection seals, Rings of rubber for use as pipe connection seals, Non-metal flexible tubing, Non-metallic hoses and flexible pipes, Non-metal hose fittings, Non-metal fittings for flexible compressed air pipes