Q224
The process of removing worn-out ground support is called:
A.
Scaling
B.
Rehabilitation
AnswerC.
Retraction
D.
Refurbishing
Answer: Option B
Solution
Answer: Option B
Solution:
Rehabilitation involves replacing old or damaged supports.The correct answer is: RehabilitationImproves safety and allows re-entry into mined-out areas.Common before secondary mining.