Sewage Treatment Operator Trainee (C-1489): Passbooks Study Guide Volume 1489

The Sewage Treatment Operator Trainee Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: mechanical aptitude; safety practices; tools and reading scales and gauges; elementary chemistry and general science; basic mathematics; and more.