Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
safety valve — [1] A valve designed to open and relieve the pressure within a container when container pressure exceeds a predetermined level. [2] Self operated, quick opening valve used for fast relief of excessive pressures … Dictionary of automotive terms
Spud gun — For the child s toy which fires small pieces of potato, see spud gun (toy). A pneumatic potato cannon A potato cannon (also known as a spud gun or spudzooka ) is a pipe based cannon which uses air pressure (pneumatic), Propellant, or… … Wikipedia
Spud gun (cannon) — This article is about pipe based cannons and similar which use air pressure, or combustion of a gaseous fuel, or both, to launch large projectiles at low speed. They are in two types: * To fire whole potatoes. These launchers are built and fired… … Wikipedia
Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) … Wikipedia
Pneumatic gripper — A pneumatic gripper is a specific type of pneumatic actuator that typically involves either parallel or angular motion of surfaces that will grip an object. When combined with other pneumatic, electric, or hydraulic components, the gripper can be … Wikipedia
Model warship combat — VNS Verdun takes a shot at USS Nathaniel Greene at the 2007 North American Big Gun Open [1] event Model warship combat is an international club activity, in which participants construct radio controlled scale models of actual … Wikipedia
Question Mark (aircraft) — Question Mark was a modified Atlantic Fokker C 2A airplane, modified and flown by aviators from the United States Army Air Corps to experiment with aerial refueling. The flight took place from January 1 to January 7, 1929.BackgroundThe first… … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia