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What is scaling? |
What is a scaling bar? |
What is a secondary roof? |
What is a shaft? |
What is a shear? |
What is shotcrete? |
What is slickenside? |
What is a slope mine? |
What is sloughing? |
What is spalling? |
What is a sprag? |
What is square set? |
What is a stope? |
What is a strike? |
What is the stripping ratio? |
What is subsidence? |
What is a sump? |
What is a syncline? |
What is through-steel? |
What is white damp? |
What is a vein? |