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Clock

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Liam and Andrew Learn How to Tell Time on A Clock | Learn and Play Video for Kids

3:53

SZA - Broken Clocks (Audio)

3:09

Ella Mai - Shot Clock (Official Music Video)

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Fredo Bang - Clock Out (Official Video)

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2.Clock - Power (Officiell Music Video)

A clock is an instrument used to measure, keep, and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units: the day, the lunar month, and the year. Devices operating on several physical processes have been used over the millennia.
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    • Etymology 

    • History of time-measuring devices 

    • Operation 

    • Types 

    • Purposes 

    • Bibliography