MCQOPTIONS
Saved Bookmarks
| 1. |
Horizon mining for coal winning is more suitable where: |
| A. | The coal seams are horizontal. |
| B. | The coal seams are highly disturbed. |
| C. | The coal seams are slightly dipping. |
| D. | The coal seams are found above the earth’s surface. |
| Answer» E. | |