Subjgrp 174. Rotary Jet Piercing—Surface Only

• § 57.7801 - Jet drills.
• § 57.7802 - Oxygen hose lines.
• § 57.7803 - Lighting the burner.
• § 57.7804 - Refueling.
• § 57.7805 - Smoking and open flames.
• § 57.7806 - Oxygen intake coupling.
• § 57.7807 - Flushing the combustion chamber.