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A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide . Self-rescuers are intended for use in environments such as coal mines where there is a risk of fire ...
In an atmosphere that may be oxygen-deficient, an air supply is carried on the back. A self-contained breathing apparatus ( SCBA) is a device worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health. They are typically used in firefighting and industry.
Self-rescue ( self-extraction) are a group of techniques in climbing and mountaineering where the climber (s) – sometimes having just been severely injured – use their equipment to retreat from dangerous or difficult situations on a given climbing route without calling on third party search and rescue (SAR) or mountain rescue services for help.
Escape breathing apparatus may be air-purifying escape respirators or self-contained atmosphere-supplying escape respirators. They may use a breathing hood, facepiece or mouthpiece and nose-clip as the user respiratory interface. Atmosphere-supplying apparatus may be rebreathers with a chemical or compressed gas oxygen supply, positive pressure ...
Resuscitator. A resuscitator is a device using positive pressure to inflate the lungs of an unconscious person who is not breathing, in order to keep them oxygenated and alive. [citation needed] There are three basic types: a manual version (also known as a bag valve mask) consisting of a mask and a large hand-squeezed plastic bulb using ...
self-contained self-rescue device self-contained self-rescuer A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a small, lightweight belt or harness-worn portable apparatus for providing breathable gas when the surrounding atmosphere lacks oxygen or is contaminated with toxic gas. There are two forms of SCSR ...
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised by the user. This differs from open-circuit breathing ...
Rescue, fire protection, civil service, public service, public safety. A firefighter (or fire fighter) is a first responder trained in firefighting, primarily to control and extinguish fires that threaten life and property, as well as to rescue persons from confinement or dangerous situations. Male firefighters are sometimes referred to as ...
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