Foreword Unit 1 Lesson 1 Materials Scien Lesson 2 The History of Metallurgy Lesson 3 Metallurgy Lesson 4 Metal Lesson 5 Materials in lndustry Unit 2 Lesson 1 Casting Lesson 2 Forging Lesson 3 Welding Lesson 4 The History of Welding Unit 3 Lesson 1 Lathe (metal) Lesson 2 Milling Machine Lesson 3 NC AND (CNC) Lesson 4 Milling Cutter Lesson 5 Types of Milling Cutter Lesson 6 Computer Numerical Control Unit 4 Lesson 1 The History and Major Development of Automobile Lesson 2 Engine Operating Principles Lesson 3 Engine Construction Lesson 4 The Power Train Unit 5 Lesson Forming of Sheet Metals Lesson Metal Stamping Process and Die Design Lesson Plastics and Injection Molding Lesson Design of Injection Mold Lesson Die Casting Unit 6 Lesson 1 Food Robotics Lesson 2 Robotic Inspection Unit 7 Lesson 1 Computer-Aided Design (CAD) Lesson 2 Computer Aided Manufacturing (CAM) Exercise & Answer Vocabulary