huge open pit coal mine made with big excavators loaders trucks and stacking machines heavy industrial for brown |
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| navigate by keyword : black coal construction dig digger earth ecology energy engineering environment equipment excavation excavator exploitation extraction fossil fuel geology heavy huge industrial industry large lignite load loader machine machinery mine miner mineral mining open ore pit power production quarry rock stockpile stone technology transportation truck vehicle work yellow |
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| Huge open pit coal mine made with big excavators, loaders, trucks and stacking machines. Heavy industrial machines for brown coal extraction inside the quarry. Lignite and anthracite in romanian mine |
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