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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 ...
Self-rescue is a group of techniques in climbing and mountaineering where the individual climber(s) – sometimes having just been severely injured – use their equipment to retreat from dangerous or difficult situations without calling on third party search and rescue (SAR) or mountain rescue services.
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. The term self-contained means that the SCBA is not dependent on a remote supply of breathing gas (e.g., through a ...
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 ...
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 ambient air, or with supplemental oxygen from a high-pressure tank.
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 ...
In February 2022, the Japanese passenger ferry Sunflower Shiretoko sailed autonomously for 750 kilometers. British RNMB Harrier, an autonomous USV of the Atlas Elektronik ARCIMS mine warfare system (2020) A passenger USV demonstration at Hampton, Virginia, United States (January 2009)
A mini survival kit contains essential outdoor survival tools and supplies. It is intended to be carried on one's person at all times, be appropriate to all environments, and be a comprehensive kit without being too large. Mini survival kits are intended to provide the basic needs of a survival situation, self-rescue, assistance or a return to ...
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