Home > Term: hand lead
hand lead
A lead weight attached to a lead line of up to 100 fathoms (183 m), used in hydrographic surveying.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- ed.young
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(Milwaukee, United States)