Copper is characterized as a fairly soft metal - (hardness 2.5-3.0. It is an excellent conductor of heat and electricity, and is very malleable and ductile. It has a characteristic red colour when fresh (copper-red), but tarnishes to a greenish colour (have a look at an old 1 or 2 cent coin)."Copper" is in the NAICS Code "212234"
(Copper Ore and Nickel Ore MiningNickel ore mine site development for own account)
"Copper" is in the CPC Code "41411"
Copper mattes; cement copper
"Copper" is in the HS Code "2603"
Copper Ores And Concentrates
"Copper" is in the UNSPSC Code "11101604"
Other Database Pages Exist for this Phrase:
Copperchrome-arsenate ( copperchrome-arsenate (CCA) refers to a ...)
Brass (Brass pertains to an alloy of copper and zinc. ...)
Cu (Cu is the Chinese word for "vinegar".)
List of books: Copper