Her office has stumbled upon items, such as a 17th-century silver altar ornament, that were sold to be melted down as scrap.

她的办公室里堆满了东西，比如一件17世纪的银制祭坛装饰，被文物贩子熔化为小块后出售。

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These are graphite, high silicon cast iron, lead silver alloy, platinum, and even scrap steel rails.

所用材料有石墨、高硅铸铁、铅银合金、铂、甚至废钢轨等。

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Scrap metal can Be recycled (turned) into "gold and silver".

废物利用，废铜烂铁可提炼出“金子”“银子”。

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Rannestad said refinery times vary on scrap silver, with jewelry being the easiest to refine and silver recouped from electronics the longest.

FORBES: FOCUS: Little Scrap Silver Seen On Market After Run To $50

Recently his firm began converting scrap silver, whether it is jewelry, flatware or old coins such as pre-1964 U.S. quarters into pure silver.

FORBES: FOCUS: Little Scrap Silver Seen On Market After Run To $50

However, the supply from government sales, silver scrap and producer hedging all fell.

FORBES: Silver Institute: Global Silver-Mine Output Rises 4% To Record High In 2012