natural and synthetic rubber, polyethylene rubber, butyl rubber, acrylic rubber, silicone rubber, fluorocarbon rubber, liquid rubber, synthetic resins, water-based adhesives and synthetic elastomers used in the manufacture of rubber, elastomers, rods, tubes, slabs, seals, rings, washers, gaskets, sheets and other similar finished and semi-finished parts made of rubber or resinous plastic materials; all above products for use in these industries; chemical processing, automotive, wire, cable, construction, general rubber, footwear, adhesive and polymer modification