- rill cut-and-fill methods
- мин.• система на разработване с наклонени слоеве и запълване
English-Bulgarian polytechnical dictionary . 2013.
rill cut-and-fill methods
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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
Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after … Wikipedia
River — For other uses, see River (disambiguation). The Tigris River near Hasankeyf, in southeastern Turkey … Wikipedia
