liquid crystalline polymer films, liquid crystalline polymer films laminated by copper or metal, and laminators coexisted of liquid crystalline polymer films and copper or metal, all for use in the manufacture of printed circuit boards, insulators, adhesive tapes, and building materials; plastics in extruded form for general industrial use and/or extruded plastics in the form of bars, blocks, pellets, rods, films, sheets, tubes, hoses and pipes for use in manufacturing; plastic fibers for use in the manufacture of printed circuit boards, insulators, adhesive tapes, and building materials; packing, stopping and insulating materials, namely, building insulation and electrical insulation; plastic flexible pipes in the nature of tubes and hoses for conveying oil and solvents and plastic flexible waterproof pipes in the nature of tubes and hoses