The company is holding a drawing to give away three plumbing calculators.

The World Plumbing Council has declared March 11 as World Plumbing Day to help promote the image of plumbing professionals and facilitate the exchange of plumbing technology information. 

To help celebrate World Plumbing Day, Calculated Industries, manufacturer of specialty calculators and measuring devices, is holding a drawing to give away three plumbing calculators specifically designed for those in the industry. The PlumbingCalc Pro Flow and Dimensional Math Calculator is perfect for skilled plumbers who design, install and maintain plumbing systems. Professionals in the plumbing industry living in the United States are encouraged to enter the drawing to be held on March 11, 2010. To enter the drawing, visit www.Calculated.com/Plumbing

To learn more about World Plumbing Day, visit www.worldplumbingday.org.