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Atmospheric pressure-----Bar-----Barometer
Lubricant-----Friction-----Coconut oil
Pressure-----N/m-----Pascal
Magnet----Alnico-----Alloy
Explanation:
Atmospheric pressure is measured in Bar and Barometer is the instrument which measure it.
Lubricant is used to minimize Friction it is basically Oil.
N/m is unit of Pressure and it is also called pascal.
For the remaining one do it by yourself.
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