Ключевые слова: agent, background, blue, bulb, chemical, chemistry, color, colorant, coloring, dye, dyed, element, extrusion, factory, grain, grained, granulate, granules, green, hdpe, heap, industrial, industry, lab, laboratory, ldpe, material, particle, pattern, pellets, pet, pigment, plastic, polyethylene, polymer, polymeric, polypropylene, polystyrene, pp, production, ps, pvc, raw, recycling, regranulate, resin, science, substance, thermoplastic, tinted,