Unit 1 Introduction of CNC machine tool Tuning-in Text Words study Language study Speaking practice Technical reading Unit 2 Automatic tool changer Tuning-in Text Words study Language study Speaking practice Technical reading Unit 3 The coordinate systems Tuning-in Text Words study Language study Speaking practice Technical reading Unit 4 Mathematics for NC programming Tuning-in Text Words study Language study Speaking practice Technical reading Unit 5 Word addressing programming Tuning-in Text Words study Language study Speaking practice Technical reading Unit 6 Speeds and feeds Tuning-in Text Words study Language study Speaking practice Technical reading Unit 7 Preparation for programming Tuning-in Text Words study Language study Speaking practice Technical reading Unit 8 Programming with subprogram Tuning-in Text Words study Language study Speaking practice Technical reading Unit 9 Compensation Tuning-in Text Words study Language study Speaking practice Technical reading Unit 10 Drives and motors Tuning-in Text Words study Language study Speaking practice Technical reading Unit 11 Setup and maintain Tuning-in Text Words study Language study Speaking practice Technical reading Unit 12 Modes of operation Tuning-in Text Words study Language study Speaking practice Technical reading Unit 13 Program verification techniques Tuning-in Text Words study Language study Speaking practice Technical reading Unit 14 CAD/CAM Tuning-in Text Words study Language study Speaking practice Technical reading Appendix A G&M code reference Appendix B The sample of CNC machine specification Appendix C Vocabulary References