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Post date	Users	Rates	Content
2018-12-21	Harvinder Sing…	80	Check this topic
2019-12-27	Maheswari	77	Check this topic
2018-02-11	ankititp	11	Check this topic

Topic title: What are the greatest inventions of the 20th century among medicine, aeroplane and computers, why?

Topic category: PTE_Academic