Copper resumed a decline in London and New York. Aluminum, zinc, nickel, lead and tin also fell.

伦敦商品交易所和纽约商品交易所的铜金属价格双双下滑，锌、镍、铅、锡等金属的价格有所下降。

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The phosphorated fluid not only is applied to ferrous metal and its alloy, but also to surface disposal of aluminum, zinc, copper, nickel, chrome and various materials and alloys.

磷化液不仅应用于黑色金属及其合金上，而且已应用到铝、锌、铜、镍、铬等各种材质和合金上的表面处理。

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The use of maillechort, a tarnish-resistant, creamily beautiful but easily marred alloy of copper, zinc and nickel, sometimes also called "German silver, " for the plates and bridges is a case in point.

FORBES: It's About Time

Glencore and Xstrata, the world's biggest exporter of thermal coal which also produces copper, nickel and zinc, agreed last year on a merger that would create an industry giant.

NPR: Glencore Sees Sharp Fall In 2012 Earnings

Aluminum and tin also fell to seven-week lows Monday, while nickel hit a nearly 10-week low and zinc hit an eight-week low.

FORBES: Base Metals Slide In Recent Weeks On Demand Worries; Better Days Seen Ahead