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How GEM-Ash recovers gold, other metals in Hennepin County's incinerated trash
The incinerator shrinks the garbage by 75% and Goodwald tries to make a buck by shrinking the leftover ash. GEM-Ash has grossed $2 million to $3.5 …
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| 查看更多结果 | Auto. Control Waste Incinerator & Auto. Roll Air Filter(Air Purification) | |||||
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