- Excessive crushing of the rock
- Excessive vibration level
- Blown out shot
- Reduction in fly rocks
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) Insufficient stemming results in ____________
Solution:
(c) Blown out shot
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