b. What does have reference to? E F UNIT 1: REVIEW A Refer to the drawing, Jig Support, page 4. 1. a. Identify the following types of lines. H SURFACE UNIT 1 Basic Lines and Views 5 2. Give the function or functions of the following lines. A 3. Describe the lines shown on the drawing with reference to letters through P. 4. a. Identify the kind of material specified to make the part. b. Sketch the section line symbol that would be used for this material. LINE LLINE D LINE LEFT SIDE TOP FRONT- LINE LINE SURFACE SURFACE (G) SURFACE B 6 Blueprint Reading for Welders BOTTOM RIGHT SIDE LINE SURFACE V-GROOVE TEST BLOCK