निकर सृजन करना
The car can capture you instead of running you over!
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15
Moving sidewalks that could care many people at once without a problem.
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13
Ambass bass ing?
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9
Hat radio and kids bike from the past
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17
Very cool inventions from the past!
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15
So how did we lose this technology to then reinvent it 100 years later?
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15
