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Plimsolls with elastic instead of laces. A plimsoll, also spelled plimsole, [ 1] or pump[ 2] (also known as a gym shoe[ 2][ 1] or a sandshoe[ 1] ), is a light sports shoe with a canvas upper and flat rubber sole . The shoe originated in the United Kingdom, [citation needed] there called a "sand shoe", acquiring the nickname "plimsoll" in the 1870s.
A pump, manufactured by Dresser Wayne, in Greece. A dispenser being used at a BP gas station in Wisconsin. [ 1] A gasoline pump or fuel dispenser is a machine at a filling station that is used to pump gasoline (petrol), diesel, or other types of liquid fuel into vehicles. Gasoline pumps are also known as bowsers or petrol bowsers (in Australia ...
A large, electrically driven pump for waterworks near the Hengsteysee, Germany. A pump is a device that moves fluids ( liquids or gases ), or sometimes slurries, [ 1] by mechanical action, typically converted from electrical energy into hydraulic energy. Mechanical pumps serve in a wide range of applications such as pumping water from wells ...
An illustration of several key components in a typical four-stroke engine. For a four-stroke engine, key parts of the engine include the crankshaft (purple), connecting rod (orange), one or more camshafts (red and blue), and valves. For a two-stroke engine, there may simply be an exhaust outlet and fuel inlet instead of a valve system.
The Governor Edmund G. Brown California Aqueduct is a system of canals, tunnels, and pipelines that conveys water collected from the Sierra Nevada Mountains and valleys of Northern and Central California to Southern California. [ 4] Named after California Governor Edmund Gerald "Pat" Brown Sr., the over 400-mile (640 km) aqueduct is the ...
A pump track is a purpose-built track for cycling. It has a circuit of rollers, [ a ] banked turns and features designed to be ridden completely by riders "pumping"—generating momentum by up and down body movements, instead of pedaling or pushing. [ 1 ] It was originally designed for the mountain bike and BMX scene, and now, due to concrete ...
Thomas Savery ( / ˈseɪvəri /; c. 1650 – 15 May 1715) was an English inventor and engineer. He invented the first commercially used steam-powered device, a steam pump [ 1] which is often referred to as the "Savery engine". Savery's steam pump was a revolutionary method of pumping water, which improved mine drainage and made widespread ...
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