Valsts valodas centra izstrādātie inženierzinātņu, tehnikas, rūpniecības un būvniecības un arhitektūras termini

Konteksts: [..] An ambient air bypass device is used for the supply of breathable ambient air to the wearer of a self-contained open-circuit compressed air breathing apparatus before entering and after leaving irrespirable atmospheres. [..]
Avots: EN 137:2006 "Respiratorv protective devices -Self-contained open-circuit compressed air breathing apparatus with full face mask -Requirements, testing, marking"