"Things have gotten so bad that before the price of copper fell, people were breaking into boarded-up houses to strip them of their wiring," says Mark.

马克说，“事情已经变得非常糟糕，在铜价回落之前，已经有人砸坏封了门窗的房屋把自己配的电气线路中的铜线剥离出来。”

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This paper presents research results on quality analysis, microstructure and properties of copper coated steel strip (CCSS).

对双层卷焊钢管用镀铜钢带质量与组织性能进行了全面分析研究。

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A qualitative method of determining the corrosivity of a product by its effect on a small strip of polished copper suspended or placed in the product.

将一个擦亮的小铜片悬挂放置在产品中，依据对铜片的影响测定此产品腐蚀性的一种定性方法。

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Sky-high metals prices combined with the weak U.S. economy in recent years have led brazen thieves to strip copper wire out of vacant homes, swipe stainless-steel beer kegs from bars and even make off with manhole covers, street lights and parts of fire hydrants.

WSJ: Bronze Vases at Cemeteries Become Target for Thieves

He knew how to strip the copper wire from dilapidated buildings and the lead from around the pipes.

CNN: Excerpt: 'Joe DiMaggio: The Hero's Life'

The country -- a long strip that spans the western coast of South America -- is rich in mineral resources, particularly copper.

CNN: STORY HIGHLIGHTS