- stull stoping
- Горное дело: разработка с креплением распорной крепью
Универсальный англо-русский словарь. Академик.ру. 2011.
stull stoping
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Stull stoping — is an underground hardrock mining method that uses systematic or random timbering ( stulls ) placed between the foot and hanging wall of the vein. This method require that the hanging wall and often the footwall be of competent rock as the stulls … Wikipedia
Stopes — may refer to: *Marie Stopes (1880 1958), Scottish author *Stopes, rooms supported by surrounding pillars of standing rock in Hard rock miningee also*Stull Stoping, an underground mining method … Wikipedia
