17 Plastic semi-worked products, namely, semi-worked synthetic plastic and synthetic resins as semi-finished products in the form of pellets, rods, foils, foams, fibers, films and sheets; Plastic polarizing film, sheet and plates; Plastic conductive film; Synthetic rubber sheets; Electrical insulation sheets and films; Thermal conductive rubber sheets for heat releasing used in electronic devices, namely, computers, laptop computers, notebook computers, monitors, game machines, electronic power supplies, LED light modules, flat panel display televisions, projectors, AC adaptors and fabricated parts for all of the above; Thermal conductive plastic sheets for heat releasing used in electronic devices, namely, computers, laptop computers, notebook computers, monitors, game machines, electronic power supplies, LED light modules, flat panel display televisions, projectors, AC adaptors and fabricated parts for all of the above; Electromagnetic wave noise suppression rubber sheets used in communication devices, namely, cellular phones, digital cameras, computers, laptop computers, notebook computers, and television sets; Electromagnetic wave noise suppression plastic sheets used in communication devices, namely, cellular phones, digital cameras, computers, laptop computers, notebook computers and television sets; Plastic films as resist for the manufacture of semiconductors and printed circuits; Photo mask protective cover film made of synthetic resins; Plastic diffusing sheets and plates for liquid crystal display; Plastic reflective sheets and plates for liquid crystal display; plastic films or sheets for use as covers for flexible printed wiring board