ریاضیات برای اپراتورهای تصفیه آب: مسائل تمرینی برای آمادگی در آزمون‌های گواهینامه اپراتور تصفیه آب

This handbook provides water treatment operators thorough coverage of the common math problems they use daily and is designed for study for Certification testing. The four sections match the four (4) Grade Levels of Certification. Each section includes 100 math problems for that level followed by detailed solutions on how to work out each problem. There is also a 10 question test (with answers) at the end of each Chapter. Appendices cover common equations, conversation tables and formulas, units of measures, and a list of chemicals. Math study text is designed to help water treatment operators improve their math skills, pass certification exams, perform their jobs better, and advance their careers.