This handbook is an essential tool for any AST student who is preparing for the Certificate of Qualification exam. This third edition presents practice tests in Red Seal format, making it a universal exam prep for students in all provinces. The new edition is heavily revised to reflect the latest technical developments in the AST field, the most recent changes to the C of Q exams nationwide. This edition also explains how the Provincial Training Standards and Federal Occupational Analysis determine the test you will write in your province.