Home > Term: hard heading
hard heading
A heading driven in rock. In S. Wales and elsewhere, men employed in hard headings have suffered greatly from silicosis.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- ed.young
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(Milwaukee, United States)