Aggregates Business Europe - Excavator easily extracts sand and .Getting wet: the Hitachi super-long front ZX350LC-3 excavator extracts sand and . the machine digs to a depth of 5m, removing 70,000tonnes of raw materials . of gravel and sand were extracted, intermediately stored and loaded for further.machines for extracting sand,Underwater Extraction of Sand and Gravel - Agg-Netdeposit is extracted or return to previously worked . of underwater extraction of sand and gravel has . extraction rate of these machines is determined by the.How to get oil out of Canada's tar sands | Environment | The GuardianJul 11, 2008 . How to extract oil from Canada's tar sands, destroying habitat, . Each of these machines can carry up to 400 tonnes of sand, which can.
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