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A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a type of closed-circuit SCBA [1] with 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 ...
Self-rescue (or self-extraction) is 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 ...
Polish Au-2 escape respirator. Escape breathing apparatus, also called escape respirators, escape sets, self-rescuer masks, emergency life saving apparatus (ELSA), emergency escape breathing devices (EEBD), and Respiratory Protective Smoke Escape Devices (RPED), [1] [2] are portable breathing apparatus that provide the wearer with respiratory protection for a limited period, intended for ...
t. e. A self-contained breathing apparatus (SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately dangerous to life or health from a gas cylinder. [1] They are typically used in firefighting and industry. The term self-contained means that the SCBA is not dependent on a remote supply ...
A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a type of closed-circuit SCBA [87] with a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide.
Simplified Aid For EVA Rescue (SAFER) is a small, self-contained, propulsive backpack system (jet pack) worn during spacewalks, to be used in case of emergency only. If an untethered astronaut were to lose physical contact with the vessel, it would provide free-flying mobility to return to it. It is worn on spacewalks outside the International ...
Rebreather. 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.
Two ships came to the rescue, but could save only a fraction of the passengers, so Captain Herndon chose to remain with the rest. September 17, 1894: Captain Deng Shichang , in command of the Zhiyuan during the Battle of the Yalu River , went down with the ship and refused to be rescued, after the ship was struck by a Japanese shell, causing a ...