![](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
1 min
![](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
Open cast mines Earth's physical resources: extracting coal and oil - for iPad/Mac/PC
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- Courses
A fault is an underground hazard. By drilling a series boreholes, miners start the safe development of an open cast mine.
A fault is an underground hazard. By drilling a series boreholes, miners start the safe development of an open cast mine.
1 min
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