The inventory of inventions

First lead pencils in America are produced by William Monroe in Concord, Massachusets Vulcanized rubber is patented by Charles Goodyear W.LJudson patents the zipper The Diamond Match Company produces book matches to carry in your pocket	1812 1831 1844 1873 1891 1895 1896 1908 1937	The first pin-making machine is invented by J.I.Howe of New York Riveted-pocket denim pants are invented King Camp Gillette invents the modern safety razor with throw-away razor blades George Westinghouse offers two new electrical appliances — an iron and a toaster
The DuPont Corporation patents nylon. The first application of the fibre is in toothbrushes

6.9. MAKE a field trip to a local department store, the hi-fi department. Make a list of hi-tech products on sale with prices and other consumer information. Share your findings in class.

6.10. RESEARCH into the beginnings of some familiar products (like clothes, etc.). Find more about them and present your findings in class.

VII. Structure and written expression practice

7.1. REWRITE USING CORRECT FORMS OF PARTICIPLES.

Modern equipment

There are many facts (prove) that technologies are advancing rapidly. Modern offices (equip) with state-of-the-art equipment look like control rooms of a space centre. The (increase) number of cellular subscribers is another example. This technology spreads (give) more advantages to customers elsewhere. Many other scientific discoveries (make) in the 20th century are used for business purposes now. Along with (increase) productivity, business people waste less time. Every- where one can see businessmen (communicate) via cellular phones. Cellular phones are also spreading in this country, (improve) management techniques. There are various companies (advertise) different models and services (provide) by them.

7.2. PUT QUESTIONS TO THE FOLLOWING ANSWERS.

1. These are models doubling productivity. (What kind of ?)

2. The catalogue ordered by us arrived today. (When ?)

3. The figures indicating progress are impressive. (Why ?)

4. Organised well, the campaign was a success. (How ?)

5. The firm brought down the costs of equipment. (Alternative)

6. On-site service provided by the shop is quick. (Who ?)

7. There are cameras used for security reasons. (What for ?)

8.1 found no data showing the increase. (What sort of ?)

9. No, it is hardly possible to imagine the future. (Disjunctive)

10. Yes, Motorola is a leading high-tech manufacturer. (General)

7.3. GIVE THE GIST OF THE TEXT IN 10-12 WRITTEN SENTENCES.

7.4. CORRECT THE MISTAKES MADE BY AN INEXPERIENCED LEARNER.

7.5. WRITE AN ESSAY BASED ON THE DISCUSSION (EXERCISE 6.8).

UNIT EIGHT REVISION