In Scrap-Metal Market, Buyers Have to Tell 'Darth' From 'Vader'

[ahlam1399]

To identify increasingly complex mixes of junked metals, buyers and sellers around the globe use names coined by a small committee in the U.S.

أكثر... (http://www.wsj.com/articles/in-scrap-metal-market-buyers-have-to-tell-darth-from-vader-1459263473?mod=fox_australian)