Open Cast Mining
106.9 هزار بار بازدید -
9 سال پیش
-
This is a very basic
This is a very basic idea of how the Open Pit Mining process takes place. This was a very new mine when the footage was shot, and using very small machines
9 سال پیش
در تاریخ 1394/07/10 منتشر شده
است.
106,962
بـار بازدید شده