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A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system. It includes venting to the exterior environment to prevent a vacuum from forming and impeding fixtures such as sinks, showers, and toilets from draining freely ...
A chest tube (also chest drain, thoracic catheter, tube thoracostomy or intercostal drain) is a surgical drain that is inserted through the chest wall and into the pleural space or the mediastinum. The insertion of the tube is sometimes a lifesaving procedure. The tube can be used to remove clinically undesired substances such as air ...
Perforator veins are so called because they perforate the deep fascia of muscles, to connect the superficial veins to the deep veins where they drain. [1][2] Perforator veins play an essential role in maintaining normal blood draining. They have valves which prevent blood flowing back (regurgitation) from deep to superficial veins in muscular ...
The simplest system that is sufficient for chest drainage is a one-chamber system. It uses either a Heber-drain or an active suction source and comprises a single collection canister. For active or passive air evacuation, a water seal component is attached. To ensure that all air is sucked out when using a Heber-drain, manual support might be ...
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96 ft (29.3 m) Propulsion. None. Shippingport (ARDM-4) is an ARDM-4 -class United States Navy Medium Auxiliary Repair Dry Dock. She is one of the Navy's two medium auxiliary repair dry docks, and was the first floating dry dock built for the US Navy since World War II. [ 1] Laid down in 1977, delivered and placed in service on 4 January 1979 ...
The Alabama Drydock and Shipbuilding Company (ADDSCO) located in Mobile, Alabama, was one of the largest marine production facilities in the United States during the 20th century. It began operation in 1917, and expanded dramatically during World War II; with 30,000 workers, including numerous African Americans and women, it became the largest ...
Drain (surgery) A surgical drain is a tube used to remove pus, blood or other fluids from a wound, [1] body cavity, or organ. They are commonly placed by surgeons or interventional radiologists after procedures or some types of injuries, but they can also be used as an intervention for decompression. There are several types of drains, and ...