['Specialized Industries']

['Mining']

04/17/2026

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REGSENSE
Topic Search
Specialized Industries - Mining

§57.19090 Dual signaling systems.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

There shall be at least two effective approved methods of signaling between each of the shaft stations and the hoist room, one of which shall be a telephone or speaking tube.

['Specialized Industries']

['Mining']

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