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An extractor also performs the function of an ejector in revolvers. When the striking force applied to the ejector rod is hard and fast enough, the extractor will typically eject the empty case(s) from the cylinder. Some break-action shotguns are also designed to eject empty shells completely out of the chamber when the barrel is opened.
A Soxhlet extractor is a piece of laboratory apparatus [1] invented in 1879 by Franz von Soxhlet. [2] It was originally designed for the extraction of a lipid from a solid material. Typically, Soxhlet extraction is used when the desired compound has a limited solubility in a solvent , and the impurity is insoluble in that solvent.
To ready a STABO harness for rope extraction, the two leg straps (normally folded and stowed during ground operations (secured by utility tape or rubber bands)) were freed from the back of the harness, routed up between the legs, and each leg strap was then snapped onto a V ring, with one mounted on each lower front waist of the harness. A ...
An attic fan installed underneath a roof. A powered attic ventilator, or attic fan, is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional ...
A hydraulic spreader in use, seen here widening a window on the door of a Volkswagen Golf Mk2 to allow fire crews access into the vehicle. The Hurst Rescue Tool was invented by George Hurst, circa 1961, after he viewed a stock car race accident in which it took workers over an hour to remove an injured driver from his car.
A tie exchanger (also known as a TKO for Tie Knock Out, or by various combinations of tie exchanger, extractor, replacer, or inserter) is a self-propelled railroad maintenance of way vehicle that removes old railroad ties (also known as sleepers) from tracks and inserts new ones. By using mechanical and hydraulic force, a tie extractor/inserter ...
Smoke Extraction in Buildings Slide Show by Vysakh Manohar; ISO6944 - 2008 Fire containment -- Elements of building construction -- Part 1: Ventilation ducts "Wisegeek" page on return air ductwork. Return air ductwork can be co-opted for cold smoke exhaust in North America
On 21–22 March 2023, photos and videos of a Russian military train with T-54s and T-54Bs appeared on social media, [83] and an interview by Volya Media seems to confirm the intention of deploying them to Ukraine. [84] Images of T-55 in Ukraine first emerged in April 2023 confirming their deployment by the Russian armed forces. [85]