Packing, stopping and insulating materials, namely, stuffing made of materials, namely, non-metallic reinforced, mineral and synthetic fiber stuffing materials, for piping systems and machines of all types, stuffing rings and washers; joints made of all materials, namely, metallic reinforced and non-metallic reinforced gaskets materials for use on machines or pipe systems, for water, steam, air, gas, and hydraulic pipes; high-pressure seal plates, namely, plates, sheets, material for seals, n...