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Elastomeric masks linked to backpack air tanks: self-contained breathing apparatus, worn by firefighters advancing with a firehose. There are two major application areas for SCBA: firefighting, and industrial use in confined spaces. [16] For SCBAs used in firefighting, manufacturers typically prioritize fire resistance and weight reduction over ...
A typical CPAP machine houses the air pump in a case lined with sound-absorbing material for quieter operation. A hose carries the pressurized air to a face mask or nasal pillow. The Sullivan V Plus, a typical mid-1990s CPAP (the mask is more modern). A typical full face CPAP mask. CPAP therapy breaks the cycle of OSA
A full face mask over the mouth and nose is another approach for people who breathe out of their mouths when they sleep. [13] Often, oral masks and naso-oral masks are used when nasal congestion or obstruction is an issue. [medical citation needed] There are also devices that combine nasal pressure with mandibular advancement devices (MAD).
Plague doctor wearing a plague doctor costume A radiographer wearing an early hazmat suit in 1918 during World War I.. An early primitive form of the hazmat suit arose during bubonic plague epidemics, when European plague doctors of the 16th and 17th centuries wore distinctive costumes consisting of bird-like beak masks and large overcoats while treating victims of the bubonic plague. [1]
Smoke hoods are a class of emergency breathing apparatus intended to protect victims of fire from the effects of smoke inhalation. [2] [3] [4] A smoke hood is a predecessor to the gas mask. [5] The first modern smoke hood design was by Garrett Morgan and patented in 1912. [6]
An air and light unit, also known as a breathing support unit or mobile air unit, is a specialized firefighting apparatus used by first responders to provide supplemental lighting and self-contained breathing apparatus cylinders and cylinder filling services at the scene of an emergency. [1]
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