35 GASKETS AND PARTS THEREOF-NAMELY, SOFT METALLIC AND NONMETALLIC SEALING MEMBERS; TREATED AND UNTREATED PAPER, SHEET CORK, [ COMPRESSED ASBESTOS SHEETS, ASBESTOS MILLBOARD SHEETS, FELT SHEETS AND STRIPS, ] SOFT METAL SHEETS AND STAMPINGS THEREFROM FOR MAKING SAID GASKETS AND SEALING MEMBERS; SHIMS AND STRIP SHIM STOCK; PACKING AND SHEET MATERIAL FOR MAKING THE SAME FOR MACHINERY JOINTS AND JOINTS IN CONTAINERS AND CONVEYORS OF GASES, FLUIDS, AND SEMIFLUIDS; AND FLUID SEALS COMPOSED IN PART OF SYNTHETIC RUBBER AND OTHER PLASTIC POLYMERS AND IN PART OF METAL