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Kavitha Kannan
's Polls
Inventions
Who invented Jet Engine?
Sir Frank Whittle
1 vote (100%)
Sir Frank Whittle
Gottlieb Daimler
0 votes (0%)
Gottlieb Daimler
Roger Bacon
0 votes (0%)
Roger Bacon
Lewis E. Waterman
0 votes (0%)
Lewis E. Waterman
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