These instructional materials provide an orientation to the machine shop for use at the postsecondary level. The first of three sections discusses four important areas of safety: (1) personal safety; (2) safety procedures; (3) safe work practices; and (4) fire prevention. The second section identifies and describes the general purposes of 12 machines. Photographs are provided of each machine. The third section identifies common metals and their machinable characteristics. The four modern industrial metals outlined are: (1) ferrous metals; (2) nonferrous metals; and (3) high temperature and rare metals. A quiz and separate answer sheet are included after each section. (NLA)