stat - stra
- steel support
- steel timber
- steel timbering
- steel toed boots
- steel wire rope
- steel-armoured
- steel-cast
- steel-clad
- steel-cord belt
- steel-fased
- steel-plated
- steel-setted
- steeling
- steelwork
- steelyard balance
- steep
- steep ascent
- steep bed
- steep descent
- steep face
- steep longwall
- steep measures
- steep pitch
- steep seam
- steep seam gasification
- steep-grade
- steep-seam plough
- steeply inclined seam
- steeply inclined separator
- steeply pitching
- steeply pitching coal
- steeply sloping seam
- steeply-dipping
- steeply-falling
- steering arm
- steering articulated pin
- steering frame
- stem
- stemmed hole
- stemming
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