This module contains information on unibody construction and control points for structural measurements to perform repairs on the bodies of unitized vehicles. The module covers the fundamental aspects related to the measuring and fixturing techniques used to analyze collision damage before and during repair operations. Designed for individualized instruction, the module consists of a teacher guide, a student guide, a student evaluation, a 35mm slide presentation, and an audiocassette. The instructor guide contains an introduction, performance objectives, script for a slide presentation, suggested instructional methods, suggested resources, and an answer key for the student evaluation. The student guide contains performance objectives, an introduction, procedures for using the module, and an information sheet on repairing cars with unitized construction. (KC)