Kington's Law Of Perforation: If A Straight Line Of Holes Is Made In A Piece Of Paper, Such As A Sheet Of Stamps Or A Check, That Line Becomes The Strongest Part Of The Paper.

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Kington's Law of Perforation:
If a straight line of holes is made in a piece of paper, such
as a sheet of stamps or a check, that line becomes the strongest
part of the paper.

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