Visual warning system WSO
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| Crew warning system for natural hazards: ventilation, water, fire, the risks associated with the ongoing preparatory work, work equipment, etc., or their failure to inform the crew uses a hazard band visual signaling devices based on the banners alphanumeric built in underground mines, with crew access passages to the shaft runs in places mining, etc. |
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| Basic equipment included in the system WSO: | ||||||||||||||||||||||||||||
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