Non-reinforced, short fiber or long fiber-reinforced plastics, namely, plastic materials in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; industrial plastic products, namely, injection molded, extruded, and thermoformed plastic sheets for use in building construction, booth and furniture construction, automotive industries, commercial and recreational vehicles, boat building, caravans and trailers, agricultural applications, playground and sports equipmen...