Exercise 29. Make up your own story about engineering materials according to the following points of the plan. The words and phrases are supposed to make your story logical and interesting. 1.
Various Classes of Materials Materials have played
Civilizations were named
Early humans had
Modern technologies made
Materials science encompasses
The traditional groups of engineering materials are
2.
Metallic Materials Metallic materials include
The most common ferrous metals are
Different elements in alloys influence
The most common non-ferrous metals are
3.
Polymers One of the best-known polymers is
Synthetic polymers are called
Plastics can be divided
4.
Ceramics Ceramics are formed
Ceramics tend to be
5.
Choosing Materials A lot of engineering materials are
Engineers have to choose
Exercise 30. Write an e-mail to your friend about your attending the exhibition devoted to engineering materials. PROJECT WORK Exercise 31. Compile information about engineering materials and participate in a project. Give reasons why this or that material is widely used in machine building industry. Present the project to your group. You may use the follow- ing website: www.materialmoments.org/top100.html
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ADDITIONAL READING Exercise 32. Make a summary of the text using the following phrases: 1. The title of the text is…
2. The text is about… The text deals with…
3. The text covers such points as… first… second… third…
4. It should be underlined that…
5. In conclusion, I may say that…
6. To my mind… In my opinion…