Mathematics Manual for Water and Wastewater Treatment Plant Operators - Three Volume Set(English, Electronic book text, Spellman Frank R.)
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To properly operate a waterworks or wastewater treatment plant and to pass the examination for a waterworks/wastewater operator's license, it is necessary to know how to perform certain calculations. All operators, at all levels of licensure, need a basic understanding of arithmetic and problem-solving techniques to solve the problems they typicall
