CONTENTS

1．What Is Technical English?

2．Landing on the Moon

3．Digital Computers

4．Multimeter

5．What Are Magnets?

6．Electrical Current

7．The Three States of Matter

8．Heat Treatment

9．Amplifier Design

10．Sone New Units

11．Friction

12．Metals and Their Properties

13．Franklin and Electricity

14．Transformer

15．Transistor

16．What Is Electronics?

17．What Is Temperaturc?

18．Temperature and Heat

19．Correct Choice of Fuse

20．The Nature of Magnetic Materials

21．Conductors

22．The Nature of Plastics

23．Corrosion

24．How to Transform Energy into Work

25．Ohm s Law

26．Engineering Materials

27．Work

28．Boiling Point and Freezing Point

29．Expansion and Contraction

30．How Solids Transmit Sound

Vocabulary