This document is one of a series of nine individual units of instruction for use in roofing apprenticeship classes in California. The unit consists of a workbook and test, perforated for student use. Fourteen topics are covered in the workbook and corresponding multiple-choice tests. For each topic, objectives, information sheets, and study assignments are provided. Information sheets are illustrated with line drawings and photographs. Topics covered in the unit include the following: the nature of the roofing and waterproofing industry; the apprenticeship program; apprenticeship and the public schools; collective bargaining, wages, and benefits; safety in the industry; types, styles, and structural designs of roofs; hand tools and power tools; equipment; introduction to kettles; lighting and loading of kettles; kettle heating; kettle cleaning and maintenance; roof pumps; and tankers. A list of required instructional materials and a glossary of terms used in the roofing trade are included in the publication. (KC)