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  1. Match English and Russian word combinations.

1. maintenance work

a. шумовая помеха

2. braking system

b. вибрационная решетка

3. hopper batcher

c. эксплуатационные работы

4. track maintenance machine

d. трамбовочная машина

5. recovery operation

e. гусеничный экскаватор

6. tamping machine

f. путевые эксплуатационные машины

7. vibrating screen

g. система торможения

8. noise pollution

h. сварка стыков

9. welding the joints

i. восстановительная работа

10. chain excavator

j. хоппер-дозатор

II. Choose the correct word in b and put it into the gap in a.

A

B

1. Tamping machines are used for _____ .

a. road-rail crane

2. _____ is the ideal machine for performing the most difficult lifting operations.

b. efficient technique

3. The wide use of _____ facilities improvement in maintenance.

c. tracklaying

4. For lifting the old track and lowering the new sections into position _____ is used.

d. consolidating the ballast

5. The use of the high technology for the railway is the progress in _____ and maintenance work.

e. cantilever crane

  1. Read three possible ways to complete the sentences and choose the only one correct.

  1. The majority of rail systems rely on ………

  1. new technology

  1. railway network development

  1. long-welded rails

  1. High technology for the railway of the future is the key to success in ………

  1. studying the ground

  1. tracklaying

  1. delivering the building materials

  1. Ballast cleaning machines are used for ……….

  1. leveling off ballast

  1. carrying ballast

  1. taking off the dirt from ballast

IV. Match these definitions with the words.

1. tracks allowing the railway to achieve the high speeds

a. rubber-based

2. crane which can lift track panels and bridge elements

b. hopper batcher

3. products reducing all types of vibration and noise

c. perfect

4. machine for leveling off ballast during renewal

d. tamping

5. machine for consolidating the ballast under the sleepers

e. tracklaying

V. Decide if the sentences are true (t) or false (f).

  1. Cantilever cranes clean the ballast.

  2. Electro-mechanical braking systems are used in the railway industry.

  3. Rubber-based products did not result in improved ride comfort and less noise pollution.

  4. Popular hopper batchers are intended to carry and level off ballast during renewal.

  5. Efficient technique facilitates improvement in maintenance of railways.

Unit 4

Skim the text to find out why ladder sleepers perform well in tests.

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