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What year was Automobile (steam) invented and how?
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Who invented the Gas Lighting?
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Which company is ahead in Argon innovations?
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Which company is ahead in Vaccination innovations?
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When and who invented the Jet Engine?
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What year was Steel (rustless or stainless) invented and how?
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Which company is ahead in Glider innovations?
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Who invented the Wheel?
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What year was Vaccination invented and how?
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Which company is ahead in Gramophone innovations?
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What year was Burglar Alarm invented and how?
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Who invented the Bunsen Burner?
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Who invented the Photography (on film)?
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What year was Photography (on film) invented and how?
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What year was Streetcar (electric) invented and how?
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What year was Chain Drive invented and how?
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Which company is ahead in Tank (military) innovations?
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When and who invented the Bifocal Lens?
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When and who invented the Electric Fan?
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When and who invented the Ziggurats?
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Who invented the Antiseptic?
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What year was Potter's Wheel invented and how?
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Who invented the Fountain Pen?
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What year was Stirrups (metal) invented and how?
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What year was Cellophane invented and how?
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What year was Photography (on paper) invented and how?
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