RUBBER BAGS FOR MERCHANDISE PACKAGING; RUBBER ENVELOPES AND POUCHES FOR MERCHANDISE PACKAGING, WATERPROOF JOINT PACKING AND JOINT PACKING MATERIALS OF RUBBER AND PLASTIC FOR CUSHIONING AND STUFFING JOINTS IN INDUSTRIAL AND DOMESTIC PLUMBING PIPES; PADDING MATERIALS OF RUBBER AND PLASTIC FOR INSULATING BUILDINGS; LUTE FOR PACKING AND STUFFING INDUSTRIAL AND DOMESTIC PIPING; WATERTIGHT RINGS FOR PLUMBING PIPES; NON-METAL ELASTOMERIC WEATHER STRIPS FOR BUILDINGS; NON-METALLIC GASKETS FOR INDUSTRIAL AND DOMESTIC PIPING; JOINT PACKING FOR BELL-AND-SPIGOT WATER PIPE JOINTS; NON-METAL SEALS FOR INDUSTRIAL AND DOMESTIC PIPING; PLASTIC AND ELASTOMERIC WEATHERPROOFING FOAM SHEETING FOR USE AS A BUILDING INSULATION; SYNTHETIC RUBBER AND RUBBER-LIKE CAULKING FOR INSULATING BUILDINGS AGAINST MOISTURE; NON-CONDUCTING PLASTIC AND ELASTOMERIC INSULATING MATERIALS FOR RETAINING HEAT IN BUILDINGS; ELECTRICAL, THERMAL, AND ACOUSTIC PLASTIC AND ELASTOMERIC INSULATING MATERIALS FOR INDUSTRIAL MACHINERY; ELECTRICAL INSULATING TAPES AND ELECTRICAL INSULATING MATERIALS IN THE NATURE OF RUBBER BANDS; RUBBER SLEEVES USED IN MANUFACTURE OF MACHINES FOR PROTECTING PARTS OF THE MACHINES; SOUNDPROOFING MATERIALS FOR BUILDINGS AND FOR JACKETING MACHINES; CORK INSULATING JACKETS FOR SOUND INSULATION OF INDUSTRIAL MACHINES AND ELECTRICAL EQUIPMENT; SHOCK ABSORBING PLASTIC AND ELASTOMERIC BUFFERS FOR INDUSTRIAL MACHINERY