Here are some facts about money. *U.S. paper money is not paper at all, it is 75 percent cotton and 25 percent linen. In Benjamin Franklin’s days, people repaired torn bills with a needle and thread. *Every month the Federal Reserve Bank of Philadelphia sends 16 tons of old, cut up cash to an energy- from -waste plant in Chester Pennsylvania, to be burned. The resulting steam produces electricity to power homes throughout the Delaware Valley. *The lifespan of most currency bills is around four and a half years. The $10 bill is the shortest lived note with the $100 bill being the longest bill that lasts for about 15 years. *Two-dollar bills are seen as a rarity, however, there are more than 1.1 billion of them in circulation. You can ask for them at most local banks and they will have them available. *A quarter has 119 grooves around its edge, a dime has 118 grooves. The grooves were added to make it difficult for people to file down the edges in order to sell the shavings as precious metals. *It costs more than a penny to make a penny. The U.S. Mint says it costs 1.7 cents per coin. *The U.S. Bureau of Engraving and Printing prints 32.2 million currency notes each day. *It takes around 4,000 double folds-forward then backward before a bill will tear. *There are 293 ways to make change for a dollar-have some time to spare? De Hart Plumbing Heating and Cooling, serving Manhattan Kansas, Junction City Kansas, Topeka Kansas and some surrounding areas.