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When and who invented the Adding Machine?
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Which company is ahead in Launderette innovations?
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Which company is ahead in Airship (rigid) innovations?
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Who invented the Spinning Jenny?
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What year was Typewriter invented and how?
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Who invented the Spinning Frame?
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Who invented the Streetcar (electric)?
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Which company is ahead in Electromagnetic Induction innovations?
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What year was Parking Meter invented and how?
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What year was Aspirin invented and how?
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