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IX. Make up sentences using the scheme. Translate them into Russian.

A … have to be … B

(Помните, что «have to» переводится на русский язык долженствованием)

Example: Cranes have to be provided with outriggers.

Краны должны быть снабжены выносными опорами.

A B

1. The weight of the structures a) folded down and moved as a whole

2. Self-powered jib cranes b) used for transferring loads

3. Cranes handling a load of c) estimated beforehand (заранее)

6.3 to 10 tons

4. Bearing surface of a crane d) classified by the type of drive

5. When transported the crane e) be increased by outriggers

X. Connect the sentences according to the contents.

1. Construction power shovels a) which increase the bearing surface

can be made into crawler cranes of the crane

2. Crawler cranes can operate b) which is mounted on the turntable

without outriggers

3. Air-tyred cranes are provided c) by attaching special equipment

with outriggers

4. Crawler cranes are driven by d) so they move easily off the road

an engine.

XI. Insert the verbs in the proper form. Translate the sentences.

1. Self-powered jib cranes … extensively in construction.

2. Self-powered jib cranes … structural elements during assembly and erection.

3. Self-powered jib cranes … and … unload different vehicles.

4. Crawler cranes can … without outriggers.

5. Air-tyred cranes … much faster than crawler-mounted cranes.

6. Truck-mounted cranes … by an engine mounted on the turntable

7. Crawler- mounted cranes … a better stability as compared with truck-mounted cranes.

XII. Fill in the prepositions. Translate the sentences into Russian.

1.Self-powered jib cranes are classified ..the type … drive.

2. Wheel-mounted cranes are mounted … their own chassis or … a truck chassis.

3. Air-tyred cranes are provided … outriggers.

4. The lifting capacity … cranes drops sharply … outriggers.

5. Crawler cranes are driven … an engine mounted … the turntable.

6. The running gear … crawler-mounted cranes consists … a frame and two caterpillar tracks.

7. Construction power shovels are made … crawler cranes … attaching special equipment.

XIII. Use the Complex Subject and the Complex Object instead of complex sentences. Translate them into Russian.

Example: We know that electric hoists handle from 0.125 to 10 tons.

Мы знаем, что электрические тали поднимают от 0,125 до 10 тонн

Electric hoists are known to handle from 0.125 to 10 tons.

Известно, что электрические тали поднимают от 0,125 до 10 тонн.

We know electric hoists to handle from 0.125 to 10 tons.

Мы знаем, что электрические тали поднимают от 0,125 до 10 тонн.

XIV. Make up questions with the words given below using the models:

Models: 1. What characteristics are self-powered jib cranes classified by?

tower cranes

bulldozers

excavators

tractors

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