walking dragline mobile excavating machine used open cut mining the layers visible and invisible lines are |
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| navigate by keyword : big blueprint boom bucket chain coal destruction dig dragline dragrope drawing dredger dust equipment excavation excavator exploration heap heavy hoistloader huge industrial industry line machine machinery mine mining model mover operator ore outdoors outline overburden power quarry rock sketch structure transport transportation vector walking wireframe work worker |
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| Walking Dragline, Mobile excavating machine used in open-cut mining. The layers of visible and invisible lines are separated. Wire-frame. |
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