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