7The Sanitation Worker 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: understanding written language; communicating information to another person; recognizing a problem or a potential problem; following a rule or set of rules to arrange things or perform actions in a given order; determining where you are in relation to the location of some object or determining where the object is in relation to yourself; recognizing how an object will look when it is moved around or when its parts are moved or rearranged; applying general rules to specific problems to arrive at a logical answer; adding, subtracting, multiplying and dividing numbers; and more.