Sequence the steps to show that the air exerts pressure.
Answer variants:
Let the water boil for a few minutes
Fill half of the tin can with water
Take a steel can with a lid
Turn the flame off and cover the tin can tightly with the lid
Heat the water using a burner
Place the tin can in a a washbasin, and pour freshwater over it
The shape of the tin can gets distorted while pouring water on it
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