Подберите соответствующие определения к следующим… Переведите предложения trench underground mining opencast mining bench quarry 1. The extraction of coal or ore from the seam or vein without the removal of overlaying strata.
2. A long, wide, comparatively shallow working.
3. A thickness ofrock which is separately broken and excavated.
4. A long, narrow, comparatively shallow exploratory working.
5. The extraction of minerals from the exposed area after the removal of overburden.

ukubasov    2   13.12.2021 14:53    2