Warming up

A warm-up is usually performed before participating in technical sports or exercising. A warm-up generally consists of a gradual increase in intensity in physical activity (pulse raiser), a joint mobility…
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Lubrication

Lubrication is the process, or technique employed to reduce wear of one or both surfaces in close proximity, and moving relative to each other, by interposing a substance called lubricant…
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Cylinder (engine)

A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a…
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Global warming

Global warming is the rise in the average temperature of Earth’s atmosphere and oceans since the late 19th century and its projected continuation. Since the early 20th century, Earth’s mean…
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Piston ring

A piston ring is a split ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or…
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Steering

Steering is the term applied to the collection of components, linkages, etc. which will allow a vessel or vehicle to follow the desired course. An exception is the case of…
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Gasoline

Gasoline, or petrol, is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation…
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Investor

An investor is someone who allocates capital with the expectation of a financial return. The types of investments include, — gambling and speculation, equity, debt securities, real estate, currency, commodity,…
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Profit (accounting)

In accounting, profit is the difference between the purchase and the component costs of delivered goods and/or services and any operating or other expenses.
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Stock

The capital stock (or stock) of an incorporated business constitutes the equity stake of its owners. It represents the residual assets of the company that would be due to stockholders…
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