free discharge valve
1Valve — 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… …
2Scroll compressor — A scroll compressor (also called spiral compressor , scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. It is used in air conditioning equipment, as an automobile supercharger (where it is known as a scroll type… …
3Oscar/Technische Verdienste — Der Oscar für technische Verdienste (Academy Technical Achievement Award) ist eine seit 1931 vergebenene Auszeichnung der Academy of Motion Picture Arts and Sciences und würdigt herausragende Leistungen auf dem Gebiet der Verbesserung technischer …
4Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
5building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
6Fire extinguisher — Extinguisher redirects here. Extinguisher may also refer to a candle snuffer. A stored pressure fire extinguisher …
7pump — pump1 pumpable, adj. pumpless, adj. pumplike, adj. /pump/, n. 1. an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. 2. Engin., Building Trades. a shore …
8Vacuum 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… …
9digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …
10VRLA battery — A valve regulated (sealed) lead–acid battery A VRLA battery (valve regulated lead–acid battery) is a type of low maintenance lead–acid rechargeable battery. Because of their construction, VRLA batteries do not require regular addition of water to …
