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Here are portable, quick-look-up answers to the most common math problems faced by plumbers, pipelayers, pipefitters, and steamfitters. This time-saving reference allows users to get results instantly without putting pencil to paper or fiddling with a calculator.Job-simplifying Fast Code Facts and Sensible Shortcut boxesPacked with calculations, formulas, charts and tablesNEW CHAPTER on estimating take-offsGreat for designing or estimating a project