Turn on the faucet.
Make the water flow in 100%.
Turn off the faucet.
Turn on the faucet.
Make the water flow in 90%.
Turn off the faucet.
Turn on the faucet.
Make the water flow in 80%.
Turn off the faucet.
Then 70%, then 60%, 50%, 40%, 30%, 20%, 10%......
Turn on the faucet.
Make the water drip.
Make it drip slower.
Make it drip much slower.
Until it stop dripping.
Turn off the faucet.
Turn on the faucet.
Make the water flow in 10%.
Turn off the faucet.
Then 20%, then 30%, 40%, ..., 80%, 90%.
Turn on the faucet.
Make the water flow in 100%.
Turn off the faucet.