الصفحة الرئيسية > Term: hole system
hole system
A system of contract work underground by which the pointing of the holes and blasting are done by company personnel and the rest of the work by the miners.
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
0
المنشئ
- ed.young
-
(V.I.P) 21084 النقاط - 100% positive feedback
(Milwaukee, United States)
