Copper scrap.
Steel wire scrap
rubber products from recycled tires such as:
rubber mulch
corner guards
rubber parking curb
color crumb rubber flooring
black crumb rubber flooring
vulcanated speed bumps
vulcanated parking curb
octagon delineator base
circular umbrella base.
Nickel alloys scrap.
Shredded 211 scrap.
Ores & concentrates like copper, nickel, lead ore, jade and stones.