Gap Fill - Artificial Sun - Level 1

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Paragraph 2

Scientists tried for to develop nuclear fusion. It is a way to make clean . It needs no fossil fuels and has no dangerous . It will make the world and cleaner. It could also lower fuel . The technology is still not enough for us to use. A nuclear fusion says EAST is an important step. He said it "lays a solid and experimental towards the running of a fusion reactor".

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