Unit 1 Metal Materials Broaden Your Horizon-Practical Activity Fun Time Unit 2 Mechanical Components Broaden Your Horizon - Practical Activity Fun Time Unit 3 Electronic Components Broaden Your Horizon-Practical Activity Fun Time Unit 4 Machine Tools Fun Time Unit 5 Robots Broaden Your Horizon-Practical Activity Fun Time Unit 6 Automobile Broaden Your Horizon-Practical Activity Fun Time Unit 7 Mobile phone Broaden Your Horizon-Practical Activity Fun Time Unit 8 Computer Broaden Your Horizon-Practical Activity Fun Time Unit 9 Microelectromechanical systems Broaden Your Horizon-Practical Activity Fun Time Unit 10 Modern and New Technology Broaden Your Horizon-Practical Activity Fun Time Unit 11 Hydraulic Machinery Broaden Your Horizon-Practical Activity Fun Time Unit 12 Introduction to Motors Broaden Your Horizon-Practical Activity Fun Time