293.180. 1. All persons shall wear protective hats whileunderground and also while on the surface where falling objectsmay cause injury, except where conditions are such that thewearer would be subjected to physical hardship.
2. Protective footwear shall be worn by employees,officials, and others while on duty in and around a mine wherefalling objects may cause injury, except where conditions aresuch that the wearer would be subjected to physical hardship.
3. All employees in or around the mines shall wear approvedtype goggles where there is a hazard from flying particles.
4. Welders and helpers shall use proper shields or gogglesto protect their eyes.
5. Men exposed for short periods to gas, dust, fumes, andmist inhalation hazards shall wear permissible respiratoryequipment. When the exposure is for prolonged periods, othermeasures to protect workmen or to reduce the hazard shall betaken.
(L. 1959 S.B. 188 ยง 18)