As demand increases for rare earth metals...
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As demand increases for rare earth metals, deep sea mining gets second look
japantimes.co.jp/news/2017/02/20/business/demand-increases-rare-earth-metals-deep-sea-mining-gets-second-look/
japantimes.co.jp/news/2017/02/20/business/demand-increases-rare-earth-metals-deep-sea-mining-gets-second-look/
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