Materials Accepted :Aluminum, Auto Cast, Busheling, Heavy Breakable Cast, Insulated Aluminum Wire, Irony Aluminum, Machine… 10 materials

Materials Accepted : Platinum, Aluminum, Copper, Gold, Nickel, Silver, Zinc 7 materials

Materials Accepted :#1 Copper, Aluminum, Bare Bright Copper, Brass, Copper, Nickel, Titanium, Junk Car Bodies 8 materials

Materials Accepted :Aluminum, Brass, Copper, Iron, Lead, Nickel, Stainless Steel 7 materials

Materials Accepted :#1 Copper, Aluminum, Brass, Insulated Aluminum Wire, Irony Aluminum, Lead, Mixed metals, Nickel, Stainless… 11 materials