Inicio > Term: tunnel
tunnel
A short heading excavated into the face of a coal seam; a heading or drift across the strata, or from one deposit to another.
- Parte del discurso: noun
- Industria/ámbito: Minería
- Categoría: Minería general; Mineral mining
- Government Agency: USBM
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Creador
- ed.young
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(Milwaukee, United States)