Materials Accepted : Radiators, #1 Bare Bright Copper Wire, Aluminum Radiators, CARBIDE, Catalytic convertors, Insulated… 12 materials

Materials Accepted : Copper Sheet, #1 Copper, #2 Copper, 316 Stainless Steel, 400 Stainless Steel, Aluminum Cans, Aluminum… 25 materials

Materials Accepted : Copper Sheet, #1 Copper, #2 Copper, Aluminum Cans, Aluminum Cast, Aluminum Extrusion, Aluminum Radiators,… 15 materials

Materials Accepted :#1 Copper, #1 Insulated, #2 Copper, Aluminum Cans, Aluminum Cast, Aluminum Extrusion, Aluminum Radiators,… 13 materials