The CO2 laser and latex armoured tube.
D000388:Air; D002245:Carbon Dioxide; D004867:Equipment Design; D004869:Equipment Safety; D005390:Fires; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D053685:Laser Therapy; D007840:Latex; D014867:Water
D007840:Latex; D014867:Water; D002245:Carbon Dioxide