Q188
The process of enlarging a shaft or tunnel is called:
A.
Backfilling
B.
Slashing
AnswerC.
Reaming
D.
Scaling
Answer: Option B
Solution
Answer: Option B
Solution:
Slashing refers to enlarging underground openings.The correct answer is: SlashingUsed to improve access or increase production capability.Different from reaming, which enlarges boreholes.