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Tilting-disc inconel check valve Check valve symbol on piping and instrumentation diagrams.The arrow shows the flow direction. Vertical lift check valve. A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.
This symbol is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Redrew jpg as svg. The original can be viewed here: Check valve.jpg: File:Check valve.jpg. Modifications made by Gregors.
For example, a defensive player may hit the puck out of the puck carrier's possession before making physical contact. This is a common form of checking for goalies to use against opponents that approach closely, since they must avoid moving their bodies far from the goal. Foley Martin displaying the hook check while with the Calgary Tigers.
A standard ice hockey puck. A hockey puck is either an open or closed disk used in a variety of sports and games. There are designs made for use on an ice surface, such as in ice hockey, and others for the different variants of floor hockey which includes the wheeled skate variant of inline hockey (a.k.a. roller hockey).
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An ice hockey stick is a piece of equipment used in ice hockey to shoot, pass, and carry the puck across the ice. Ice hockey sticks are approximately 150–200 cm long, composed of a long, slender shaft with a flat extension at one end called the blade. National Hockey League (NHL) sticks are up to 63 inches (160 cm) long. [1] The blade is the ...
In 1962, one of the first variants of organized indoor hockey games were created in Battle Creek, Michigan in the United States by Tom Harter who used plastic sticks and pucks. [8] It is unclear whether other floor hockey codes using a ball or a felt puck were in existence in the USA at the time or if this marked a new emerging variant in the ...