Ключевые слова: background, black, chemical, chemistry, closeup, color, density, extrusion, factory, grained, granulate, granules, hotmelt, industrial, industry, laboratory, material, molding, particle, pellets, petrochemical, plastic, polyethylene, polymer, polypropylene, polystyrene, pp, production, pvc, raw, recycling, research, small, technology, texture, thermoplastic, white, working,