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whilst one is renovating a house and needs to determine the level of the newly constructed floor, he requests that a girl sits on the floor on all fours. He then proceeds to blow in each end and observe which end it drips out of giving him clear indication of which end of the floor is out of level.
Carly can you come around to my house im renovating and need the human spirit level.
by the two bob lobber March 11, 2012
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