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16 March, 09:11

What is the purpose of a valve?

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  1. 16 March, 10:08
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    To prevent blood backflow!
  2. 16 March, 11:28
    0
    In general or valves are used to turn off or proportionately control the flow of fluid through any system. Your faucet in your bathroom is a type of valve. You can turn it all the way off and all the way on, but you can also turn it on a little bit at a time.
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