On average,students using swear words were able to keep their hand in the water for about two minutes.

VOA: special.2009.08.18

It can take from twenty minutes to more than two hours for them all to leave.

VOA: special.2009.12.07

You have to write two essays in 60 minutes.

VOA: special.2009.01.08

So,their reward for finding a scat is they get to play ball for two to three minutes and that keeps them good all day long."

VOA: standard.2010.02.22