Ohio Rev. Code § 1567.79: Instruction on hazards.

Employees assigned to work on a longwall working section shall be instructed in the hazards of longwall mining, including, but not limited to, a review of all of the following:

(A) Escapeway and travel routes;

(B) Ventilation;

(C) Roof support;

(D) Communications;

(E) Stop controls and signals;

(F) Location of first aid equipment;

(G) Safety rules for longwall mining.