الصفحة الرئيسية > Term: hand boring
hand boring
The drilling of holes by hand for site investigations or for the exploration of shallow mineral deposits. The hand drill is used for depths of about 15 m and where the ground is loose or not too hard. Compare: auger
- قسم من أقسام الكلام: noun
- المجال / النطاق: التعدين
- الفئة: تعدين عام; Mineral mining
- Government Agency: USBM
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المنشئ
- ed.young
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(V.I.P) 21084 النقاط - 100% positive feedback
(Milwaukee, United States)
