30 CFR Part 57Public Domain
§ 57.7801 — Jet drills
Subpart F — Drilling and Rotary Jet Piercing
Jet piercing drills shall be provided with:
(a)A system to pressurize the equipment operator's cab, when a cab is provided; and
(b)A protective cover over the oxygen flow indicator.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.