closed-center valve
91Congenital heart defect — Classification and external resources The normal structure of the heart (left) in comparison to two common locations for a ventricular septal defect (right), the most common form of congenital heart defect.[1] …
92Pontiac V8 engine — From 1955 to 1981 the Pontiac Division of General Motors manufactured its own, unique V8 engines, distinct from Buick, Cadillac, Chevrolet, or Oldsmobile. Displacement began at 287 in³ and grew as large as 455 in³ (7.5 L) by 1970. Pontiac s… …
93Fire sprinkler — A fire sprinkler is the part of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been reached. History Henry S. Parmelee of New Haven, CT created and… …
94Ford River Rouge Complex — Rouge Plant redirects here. It may also refer to the subshrub Rivina humilis Ford River Rouge Complex U.S. National Register of Historic Places …
95STS-133 — Mission insignia Mission statistics Mission name STS 133 Space shuttle Discovery …
96Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
97Artificial pacemaker — Cardiac resynchronization therapy and CRT (Cardiac Resynchronization Therapy) redirect here. For the device termed a CRT D, see Implanted cardiac resynchronization device. For other uses, see Pacemaker (disambiguation). A pacemaker, scale in… …
98Sobibor extermination camp — Sobibor redirects here. For the nearby town, see Sobibór. Sobibor Extermination camp Nazi extermination camps in occupied Poland (marked with black and white skulls) …
99Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used …
100Manifold (automotive) — In automotive engineering, an intake manifold or inlet manifold is the part of an engine that supplies the fuel/air mixture to the cylinders. An exhaust manifold or header collects the exhaust gases from multiple cylinders into one pipe. The word …
