CAE Listening Part 2
You will hear part of a talk about the invention of the microwave oven. For questions 7-14 complete the sentences with a word or short phrase.
Protecting the Seas from Pollution
The invention of the microwave oven began when a chocolate peanut bar 7 in Percy Spencer’s pocket.
Spencer had previously invented a method for 8 the tubes used in radar equipment.
Spencer’s first experiment involved putting 9 near to some radar equipment.
In his next experiment, an egg was put into a kettle and it 10 .
The first microwave oven was set up in 11 in Boston in 1946.
The first microwave oven got its name as a result of 12 at the company.
One problem with the first microwave oven was that 13 did not change colour in it.
When a microwave oven that could be placed on top of a 14 was produced, sales began to rise.