17 Barrier curtains in the nature of floating baffles or booms for the containment of pollutants; Flexible tubes of plastic; Floating containment boom and fender for the localized containment of floating pollutants associated with aquatic and land structures; Gasket sealer for use in plumbing; Insulating splice covers for electrical cables; Non-metal hose fittings; Plastic hoses for swimming pools; Plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Plastic swimming pool hoses; Semi-processed plastics