30 C.F.R. § 57.19093
Current through September 30, 2024
A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a "one bell" signal is prohibited.
30 C.F.R. §57.19093
A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a "one bell" signal is prohibited.
30 C.F.R. §57.19093