Mathematics for Grades 3,4,5 (WW-48)

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Journeyman level and senior level WTPO. Assorted problems from past state examinations.
$70.00
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Journeyman and senior level WTPO level process math work; summary of process formulas, conversions. Advanced problems with solutions within problems; volumes, pounds problems, sedimentation and clarification, secondary wastwater process units, trickling filters and activated sludge, chemical solutions, tertiary filtration, hydraulics, velocity, waste sludge, effluent disinfection, effluent disposal, gravity thickeners, and digesters. Assorted problems from State examinations.