- owner, agent or manager of the mine or
- by any person to whom power in this behalf has been delegated by the owner by a power of attorney.
- Only A
- Only B
- Both A & B
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Both A & B
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