Metal and Nonmetal National Mine Rescue Contest Rules
Metal and Nonmetal National Mine Rescue Contest Rules
Metal and Nonmetal National Mine Rescue Contest Rules
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proved com mu ni ca tion de vices avail able, <strong>and</strong> the freshair base at ten dant must in form the of fi cial in charge be -fore chang ing ven ti la tion or elec tric power. In formingthe of fi cial in charge of the fresh air base does not re -lieve the team of the re spon si bil ity of their de ci sion.34