| • open working • surface mining | |
| पृष्ठ: page surface face side dorsum insert surface rock | |
| खनन: digging mining excavation mining | |
पृष्ठ खनन in English
[ prstha khanan ] sound:
| • open working • surface mining | |
| पृष्ठ: page surface face side dorsum insert surface rock | |
| खनन: digging mining excavation mining | |
