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Вопрос:
25. Pavel Yablochkov was a Russian electrical engineer and businessman. He was also the _______ of the Yablochkov candle - a type of electric carbon arc lamp - and the transformer. A Yablochkov candle was much easier to use than other kinds of lamps.
Ответ:
inventor
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- 22. Do you like oranges? This bright fruit is very popular all over the world. Oranges _______ to the West from Asian countries only in the 15th century.
- 23. You may be surprised to know that _______ oranges were not in fact orange - they were green.
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- 25. Pavel Yablochkov was a Russian electrical engineer and businessman. He was also the _______ of the Yablochkov candle - a type of electric carbon arc lamp - and the transformer. A Yablochkov candle was much easier to use than other kinds of lamps.
- 26. The first public use of a Yablochkov candle took place in Paris in 1877. The Paris Exposition of 1878 gave Yablochkov a great opportunity to make a spectacular _______ of his candle to the world audience.
- 27. It was so _______ that many contemporary businessmen got interested in Yablochkov candles.
- 28. They _______ set up companies licensing Yablochkov's patents. From the mid-1880s, Yablochkov started to devote more of his time to the problems of generating electrical energy.
- 29. Many of Yablochkov's further inventions were much ahead of his time. Modern _______ still use his ideas in their work.
