Subjgrp 152. Welding/Cutting/Compressed Gases
- § 57.4600 - Extinguishing equipment.
- § 57.4601 - Oxygen cylinder storage.
- § 57.4602 - Gauges and regulators.
- § 57.4603 - Closure of valves.
- § 57.4604 - Preparation of pipelines or containers.
- § 57.4660 - Work in shafts, raises, or winzes and other activities involving hazard areas.