1. Unit 2: Materials Technology Specifying and describing properties
Dr. Hatem Elaydi
Engineering Technical English
Islamic University of Gaza
Feb. 17, 2016

2. Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

3. 8b. Read the following extract from DuPont's technical guide to Kevlar.
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

4. Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

5. 8c. Find words in the text in Exercise 8b to match the following definitions
toughness : the opposite of fragility
………… : resistance to damage caused by friction
………… : resistance to problems caused by temperature change
………… : long-lasting
………… : the opposite of heavy
Answers
2 abrasion resistance thermal stability
4 durable lightweight
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

6. Language note
You will find the following vocabulary useful in this section. elasticity, toughness, abrasion resistance, thermal stability, lightweight, durable ideally, obviously, the key requirement, the last thing you want is …, a good degree of …
explain what is meant by properties of materials
elasticity : the ​ability to ​stretch
some examples of properties of specific materials, for example steel (tough), polystyrene (lightweight).
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

7. 9a. Match the automotive parts (l -5) to the descriptions (a-e).
Answers
1 c 2 e 3 b a 5 d
Basil Hamed

8. Read automotive applications of Kevlar
Read automotive applications of Kevlar. Complete the text using the automotive parts in Exercise 9a.
Answers
1 tires
2 drive belts
3 brake pads
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

9. 4 bullet-resistant armor 5 sealing gaskets
Answers
4 bullet-resistant armor
5 sealing gaskets
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

10. Language note Ideally: for the best results Obviously: It’s clear that
the last thing you want: the worst situation
the key requirement: the most important factor
a good degree of: a lot of/ a high level of
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305

11. Homework: Do exercises 10 a, b and 11b
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305