Fill in: discover, develop, invent, produce, experiment, try in the correct form. Percy Spencer( 1894-1970) was an engineer from Marine in the USA. He is famous because he (пропуск, нужно вставить слово) the first microwave oven. Spencer created radar equipment. One day, he (тоже пропуск) that the radar melted the chocolate bar in his pocket. He decided to investigate. First, he (пропуск) to cook popcorn and an egg using the radar waves. When this worked, he (пропуск), with other types of food. His company (пропуск) the first microwave ovens in 1947, but they were heavy and expensive. In 1967, scientists (пропуск) a smaller, cheaper microwave which millions of people use today, all thanks to Percy Spencer.

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VladIslaV231678 20.02.2021 19:50

Percy Spencer( 1894-1970) was an engineer from Marine in the USA. He is famous because he invented the first microwave oven. Spencer created radar equipment. One day, he discovered that the radar melted the chocolate bar in his pocket. He decided to investigate. First, he tried to cook popcorn and an egg using the radar waves. When this worked, he experimented, with other types of food. His company produced the first microwave ovens in 1947, but they were heavy and expensive. In 1967, scientists developed a smaller, cheaper microwave which millions of people use today, all thanks to Percy Spencer.

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