This document is a teacher's guide for a unit in the college metalworking curriculum. It is intended to be used for four weeks of instruction for freshmen as an introductory course in metalworking. The unit is designed to give the student basic knowledge, fundamentals, and skills in metalworking. The unit's objectives are to develop in students the abilities to identify various types of metals and their uses, to interpret plans used in cold metalworking, to identify and use metalworking tools, and the ability to solder. The unit is divided into material for four jobs, as follows: (1) identifying types of metal; (2) interpreting plans; (3) identifying and using metalworking hand tools; and (4) soldering. Each of the jobs includes objectives, guide questions, references, an approach to interest students, key facts about the content of the material, student learning activities, worksheets, and transparency masters. (KC)