Do not use the "innovated" cylinder valve handle for cracking the valve.
D000059:Accidents; D000776:Anesthesiology / Q000295:instrumentation*; D005627:Frostbite / Q000209:etiology; D006230:Hand Injuries / Q000209:etiology; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000009:adverse effects
D009609:Nitrous Oxide