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Read the text «Top five inventions and discoveries made by accident» and complete these sentences: Spencer Silver, an American research chemist, wanted to invent …
Варианты ответа:
  • a strong glue
  • incombustible paper
  • sticky notes
Тематика: История и философия науки История науки и техники Криминология
Курсы в категории: Гуманитарные науки
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Read the text «Top five inventions and discoveries made by accident» and complete these sentences: Percy Spencer was testing a magnetron when