- ISO standard
- DGMS standard
- OEM standard
- All of the above
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Ergonomically Assessment of all latest machinery before their introduction into mining operation should be done as per ISO standard
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