Rubber sleeves for protecting parts of machines; Rubber stoppers for industrial packaging containers; Rubber bottle stoppers; Plastic swimming pool hoses; Plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Plastic hoses for plumbing use; Padding materials of rubber or plastic; Caulking materials; Watertight rings for plumbing pipes; Washers of rubber or vulcanized fiber; Junctions, not of metal, for pipes; Rings of rubber for use as pipe connection...