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Boopathisankar Muthuraj
's Polls
Inventions in the world
What J. B. Dunlop invented?
A. Pneumatic rubber tire
2 votes (40%)
A. Pneumatic rubber tire
B. Automobile wheel rim
1 vote (20%)
B. Automobile wheel rim
C. Rubber boot
2 votes (40%)
C. Rubber boot
D. Model airplanes
0 votes (0%)
D. Model airplanes
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