- rill stoping
- диагональная очистная выемка
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium