... , tubular manifolds, mufflers/Exhaust manifold and other exhaust-system components, catalytic converter shells, clamps2. Construction: Gutters and downspouts, roofing, siding3. Kitchenware ... utensils, dishwashers, ovens, range hoods, refrigerators, skewers4. Chemical processing: Oil refinery equipment, oil burner and heater parts5. Appliances: Hot water tanks, residential furnaces6 ...