30 CFR 57.19045 - Metal bonnets.
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Man cages and skips used for hoisting or lowering employees or other persons in any vertical shaft or any incline shaft with an angle of inclination of forty-five degrees from the horizontal, shall be covered with a metal bonnet.
Title 30 published on 2014-07-01.
No entries appear in the Federal Register after this date, for 30 CFR Part 57.