Dozens of small mining companies hope to open new mines in the United States and elsewhere that could tap reserves of medium and heavy rare earths.

美国能源部的报告还指出：几十家小公司都希望在美国或是其他地方新开发稀土矿，能利用导体和重稀土的储备。

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Water-best to drink purified water, or filtered, to avoid known toxins and heavy metals in tap water.

而平常应饮用净化水或过滤水，然应避免饮用有毒的或重金属的水。

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If tap water is used, the caregiver must decide whether to boil the water to eliminate bacteria and thus concentrate any heavy metals in the water, or to use unboiled water.

如果使用自来水，护理者必须决定是使用因煮沸从而可能使重金属聚集的水，还是使用不煮沸的水。

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The 1984 film, This is Spinal Tap, is an American rock and roll mock documentary about about the heavy metal music band, Spinal Tap - "one of England's loudest bands".

BBC: Chris O'Dowd to star in Spinal Tap-style series on

We quickly spotted our first usability problem: coming from a trackpad heavy workflow, our fingers were expecting a capacitive tap-to-click action, instead of having to physically click the mouse.

ENGADGET: New iMac and Magic Mouse unboxing and quick hands-on

Mark Follett, head of the firm's high-grade debt capital markets desk for Asia excluding Japan, says that is because many Chinese companies plan to tap the bond market and diversify their funding from a heavy reliance on bank loans.

WSJ: Asia's Bond-Market Growth Likely to Pause in 2013