In development headings, what is typically installed immediately after blasting and scaling?
A. Power cables
B. Air duct
C. Ground support system
D. Rail track
Answer: Option C
Solution (By Examveda Team)
Ground support system like rock bolts or mesh is applied right after cleaning.The correct answer is: Ground support systemThis ensures worker safety and tunnel stability.Other installations follow once safety is ensured.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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