stra - supp
- sublevel blast-hole method
- sublevel caving
- sublevel caving method
- sublevel caving system
- sublevel crosscut
- sublevel drift
- sublevel method
- sublevel mining
- sublevel mining method
- sublevel open stope method
- sublevel open stoping
- sublevel roadway
- sublevel stoping
- sublevel stoping system
- submarine mining
- submerge
- submersible pump
- subsequent
- subside
- subsidence
- subsidence area
- subsidence fracture
- subsidence trough
- subsidence zone
- subsidiary
- subsidiary road
- subsoil
- substance
- substance that pollute the atmosphere
- substantiation
- substation
- substitute
- subsurface flow
- subterranean cable
- subterranean gas storage
- subtracting
- subvertical shaft
- subway
- success
- successful
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