This curriculum guide provides instructional materials designed to equip students with basic knowledge and skills that will enable them to enter the machine trades at the machine-operator level. The curriculum is designed for use in full-time secondary and postsecondary classes and part-time adult classes. It can also be adapted to open-entry, open-exit programs. Three instructional units are included, each consisting of eight basic components: performance objectives, teacher activities, information sheets (content essential for meeting the cognitive objective), assignment sheets (applications of knowledge that are prerequisites to skill development), job sheets (procedures to complete a manipulative or psychomotor skill), transparency masters, tests, and test and assignment sheet answers. The units cover (1) identification of parts and attachments of vertical and horizontal milling machines, identification of work-holding devices, safety rules, and performance of general maintenance; (2) set up and operation of a horizontal mill; and (3) set up and operation of a vertical mill. (YLB)