Computer Numerical Control (CNC) Email to a Friend These courses may be of interest to millwrights and trainees or apprentices working in a maintenance department. Join us for a free Construction and Trades information session to learn even more about these courses and their related certificate(s). Courses Browse this complete list of Computer Numerical Control (CNC) courses. Review a certificate's web page to see its required courses. CADE 9038 CNC Lathe Programming CADE 9021 CNC Milling Programming COMM 9156 Communication for Construction and Trades CADE 9048 Mastercam: Comprehensive 3-axis Machining