| http://www.w3.org/ns/prov#value | - Nonferrous metals such as copper, aluminum not used in cans and stainless-steel beer kegs do not have large amounts of iron and steel in them.The law also limits cash payments for metals ??? buyers of nonferrous metals cannot pay cash for copper, and any purchase of other nonferrous metals worth more than $100 must be paid by either check, cash card or money order. ???A nonferrous metals purchaser
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