Home > Term: buraco de Jack
buraco de Jack
Eng. em mineração de carvão, uma bolthole.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- Azinhais
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(V.I.P) 57762 points - 100% positive feedback
(Lisbon, Portugal)
