Spanish | English | |
---|---|---|
Ventilation | ||
Ventilation | minería de carbón | coal mining |
Spanish | English | |
---|---|---|
Industry | ||
Industry | minería de carbón mineral | coal mining |
Engineering | ||
Engineering | minería de superficie y de carbón | surface and coal mining |
Mining | ||
Mining | método de explotación tajo largo (minería subterránea de carbón) [m] | advancing longwall |