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by surfingdino
712 days ago
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Baird & Co. do the same: "“At the end of the year all of the filters are collected together and burned,” Baird says. “Everything is ‘deep cleaned’ and burned, all of the filters and all of the doormats both inside the refinery and throughout the office.” Last year the company retrieved £15,000 worth of gold from the deep clean." https://www.theguardian.com/business/2017/dec/26/the-pots-of... |
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