Question: UNDERGROUND BLAST DESIGN 1 square grid edge length indicate 2 5 c m . 4 grid = 1 m Medium hard rock tunnelling problem Design

UNDERGROUND BLAST DESIGN
1 square grid edge length indicate 25cm.4 grid=1m
Medium hard rock tunnelling problem
Design parallel hole cut in a separate paper
Provide all necessary blasting parameters
UNDERGROUND BLAST DESIGN 1 square grid edge

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