Ключевые слова: background, chemical, chemistry, clear, closeup, colorless, density, ethylene, factory, fine, grained, granul, horizontal, industrial, industry, injection, low, material, mold, molding, particle, pellets, plastic, polyethylene, polymer, polymerization, production, protoplast, pvc, raw, recycling, research, resin, small, technology, thermoplastic, translucent, transparent, white, working,