.:Some info about Copper:.

           
ADVANTAGES OF COPPER 

Copper is valued for strength, malleability, ductility, and ability to conduct electricity and heat it is also non-magnetic, resists wear, and forms a green patina that makes it resistance to corrosion.

DISADVANTAGES OF COPPER 

Copper are almost always a high-priced item. Copper can develop a patina on its surface. A patina is a green film that forms on both copper and bronze as a result of long exposure to moist air. Copper must be coated with lacquer to help preserve the finish.

If it's not  "EXTREME"  it's not enough!