This workbook on first aid is one of a series of nine individual units of instruction for roofing apprenticeship classes in California. The workbook covers 12 topics: introduction to first-aid practices; burns; skeletal injuries; spinal injuries; wounds, bleeding, and bruises; emergencies of the heart and blood circulation system; breathing and airway maintenance; head injuries, unconsciousness, fainting, and convulsions; shock; medical emergencies; injuries to the eyes, ears, and nose; and bites and stings. For each topic, student learning objectives and information sheets with line illustrations are given; multiple choice tests corresponding to the topics are provided for teacher use in evaluating student progress. (No answers are given.) Workbook appendixes include safety tips for working with hotstuff, cold-process materials, and ladders, at heights and on hoisting equipment. (KC)