Plastic products, industrial use, Plastic products, Chemicals, Pharmaceuticals & Plastics, Couplings and fittings, plastic, for pipes and hoses, Fittings, plastic, for industrial and dangerous waste pipes, Pipes, tubes, ducts and hoses, plastic, Plastic products, precision, metal plated, Heating equipment, industrial, electric, by use, Heating, ventilation, air conditioning (HVAC) and refrigeration equipment, Construction