- 3 to 5 years
- 5 years
- 3 years
- 4 years
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Employers Responsibility Ensure that contracts should preferably of Longer Period 3 years so that there is adequate scope of management of safety by the contractor.
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