7. Place the words in the correct order.

1) a / piston-engine / development / process / of / was / steamships / the / complex

(piston engine – поршневой двигатель)

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2) carrier / a / for / tank / is / natural / designed / transporting / gas / an / liquefied / LNG / ship

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3) engineers / of / variety / maritime / train / a / organizations / sea

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4) wipe / on / machinery / a / down / and / wiper / will / it / clean / a / keep / ship

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8. Open the brackets. Use Present, Past or Future Simple.

Sailing vessels (1. have) from one to five masts. The first sailing vessels (2. appear) in 3000 BC. They (3. float) on the rivers of India and China. In the 18^th and 19^th centuries sailing vessels (4. be) frigates and battleships. Now sailing vessels (5. be) yachts and boats with a sail for rest and sports.

A motor vessel (6. be) a vessel which (7. put) in motion a diesel internal combustion engine. A motor vessel (8. differ) from a steamship that (9. spend) less fuel and (10. possess) high qualities. The first motor vessel (11. appear) in 1903. This most widespread kind of modern sea vessels (12. occupie) about 90% of transport ships.

A turbine vessel is a vessel which (13. use) gas or steam turbine for movement. The first turbine vessel Turbinia (14. appear) in 1896.

We can say that the future of different types of vessels (15. be) even more interesting with years and they (16. develop) further.

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