| 摘要 |
The purpose of this device is to allow the inexperienced user to escape a smoke environment in the event of a fire or toxic emergency. Comprised of a high pressure cylinder at least 1000 psi (1) charged with compressed air a mask (2) equipp ed with exhaust vents (3) and a valve flow control mechanism (4) housed in a metal casing (5) within a molded plastic grip housing (6) once deployed the compressed air contained within the tank is released in a flow-controlled manner by sizing the intern al dimensions of the flow path with a specific diameter.
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