17 PROTECTIVE RUBBER SLEEVES FOR THE FOLLOWING MACHINE PARTS;-BELTS, MILL GRINDERS, APPLE CRUSHERS AND DREDGE SCOOPS; PLASTIC AND RUBBER HOSE; PLASTIC WATERSEALS; RUBBER TUBING; NON-METALLIC RAILWAY TRACK SEALS; RAW OR SEMI-WORKED RUBBER; WEATHERSTRIPPING; NON-METALLIC GASKETS FOR REFRIGERATORS AND FREEZERS; NON-METALLIC LINERS FOR TANKS AND PIPES