Ключевые слова: agent, blue, brown, chemical, chemistry, color, colorant, coloring, dye, dyed, element, extrusion, factory, grain, grained, granulate, granules, heap, industrial, industry, injection, isolated, lab, laboratory, material, molding, particle, pattern, pellets, pet, petrochemical, pigment, pink, plastic, polyethylene, polymer, polymeric, polypropylene, polystyrene, production, recycling, red, regranulate, research, resin, science, substance, technology, thermoplastic, tinted,