Bring water, a nice pen stroke end 60 times. In 2 minutes Mobile one ran out of the pen to water the container within a 50 cm. In 10 seconds. The waves have a wavelength much.
Remove the pen stroke is 60 times the water capacity in 2 minutes, waves of children running from the pen to the surface of the container away 50 centimeters in 10 seconds, a wave pool ball with a wavelength much.
The pen nib protrude water rhythm 60 times in time 2 minutes waves for one run from the end of the pen on the ผิวน้ำถึง plate edge away out 50 cm. At the time 10 second water waves this wavelength much.