Editing Buddy check (section)

===Breathing apparatus checks===
*Adequate supply of breathing gases. (cylinder volume and pressure checks)
*Suitable type and quality of breathing gas. (correctly and unambiguously identified if applicable)
*Cylinders mounted securely and accessibly.
*Valves opened or closed as planned, accessible if applicable.
*Demand valves functioning correctly. (work of breathing low, no leaks or free-flows)
*Hose routing correct, no kinks or hoses trapped under other equipment, pressure gauges accessible.
*Demand valves secured correctly where applicable.

For rebreathers the list is longer and may include:
*Oxygen monitoring functioning if applicable.
*Prebreathing has been done to ensure scrubber function.