Вопрос № 223836 - Английский язык

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The first atomic ships were made in our country and abroad. They are: the atomic ice-breaker Lenin and the nuclear merchant ship Savannah.
The ice-breaker Lenin has a displacement of 16,000 tons and can make 18 knots. It is capable of going through two meters of ice. The Lenin has three nuclear reactors developing 44,000 h.p. and can stay at the sea for more than a year without refueling.  
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How long can the Lenin stay at the sea without refueling?

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The first atomic ships were made in our country and abroad. They are: the atomic ice-breaker Lenin and the nuclear merchant ship Savannah.
The Savannah is an experimental ship. It can carry only 60 passengers and 10,000 tons of cargo, and its main purpose is to demonstrate the safety and practicability of a nuclear-powered ship. The nuclear reactor of the ship is surrounded by a ring of water, 82 cm thick, then by a 2,000 ton steel cylinder and by a mat of redwood and steel, 71 cm thick.
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What kind of ship is Savannah?

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The first atomic ships were made in our country and abroad. They are: the atomic ice-breaker Lenin and the nuclear merchant ship Savannah.
The Savannah is an experimental ship. It can carry only 60 passengers and 10,000 tons of cargo, and its main purpose is to demonstrate the safety and practicability of a nuclear-powered ship. The nuclear reactor of the ship is surrounded by a ring of water, 82 cm thick, then by a 2,000 ton steel cylinder and by a mat of redwood and steel, 71 cm thick.
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What kind of ship is Savannah?

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Nowadays machine tools play an important role in the manufacture of almost all metal products. Machinists (people who operate machine tools) use them in making automobiles, radios, refrigerators, television sets and so on. Every mechanical engineering workshop is equipped with machine tools. They are the main source for the manufacture of component parts of all machine and mechanical devices.
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Who uses machines in making automobiles, radios, refrigerators, television sets?

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Even the most advanced robots are human-controlled machines. They can’t see or hear or think. Robots do only what they are told to do usually by a computer programme. Robots are taught to fulfil thousands of factory jobs. They load heavy equipment, weld cars, and put electronic parts together. Robots can do things that are dangerous for humans. They look like mechanical arms. More and more robots look lifelike. Some of them help doctors in their work. These robots are programmed to mimic disease symptoms. Medical students practice with robots before treating human patients.
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What robots can’t do?

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G. Stephenson’s reputation as a mechanic was beginning to spread. He was asked by a firm to come as their mill engine was giving trouble. He soon found that the trouble with the engine was a lot of sand that was drawn into the pumps with the water. The sand also got into the mechanism of the engine. Thanks to Stephenson’s improvements the water from the well could reach the pump only by flowing over the rim of a box, while the heavier sand sank to the bottom outside the box.
This period when machinery was beginning to take the place of human labour is known as the First Industrial Revolution.
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Where did sand also get into?