Прочитайте текст Scientists consider that the oldest tools are known to the mankind are 2600000 year...: ответ на тест 607562 - Английский язык

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Scientists consider that the oldest tools are known to the mankind are 2,600,000 years old. They were used by people in manual operations and that is why they were called hand tools. By the beginning of the Industrial Revolution, people had already devised simple hand tools for cutting and shaping materials. But in the 18th century there appeared machine tools that made mass production a reality in the 19th century.
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Where were the tools used and how were they called?

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Scientists consider that the oldest tools are known to the mankind are 2,600,000 years old. They were used by people in manual operations and that is why they were called hand tools. By the beginning of the Industrial Revolution, people had already devised simple hand tools for cutting and shaping materials. But in the 18th century there appeared machine tools that made mass production a reality in the 19th century.
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Where were the tools used and how were they called?

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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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The Jukkasjarvi Icehotel in Sweden is an interesting and cold place for a holiday. It started life as an igloo (a small house made of snow) at an art exhibition in 1989.
Hundreds of people visited the exhibition and some even slept there, so the builders decided to make it a hotel.
The Icehotel is open for less than half a year. Every May it melts and every November it is rebuilt. It now measures 5000m2 and it needs 14,000 tons of ice and 30,000 tons of snow to build it. This actually means that it is more than 88% snow.
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How long is the Icehotel open for?

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The popular notion of the development of the steam engine includes the story of how James Watt was in his mother’s kitchen, the kettle boiled, steam came out, and Watt realized the tremendous power of steam and later invented the steam engine. The story has nothing to do with reality, and Watt had nothing to do with kettles. The true origin of the steam engine is very different and much more interesting.
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Who had nothing to do with kettles?

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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?