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Health
Who Invented the Pacemaker?
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Entertainment
Who Invented Rock and Roll?
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Health
Who Invented the Toothbrush?
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Education
Who Invented the Pencil?
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Technology
Who Invented the Fire Alarm?
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Entertainment
Who Invented the Violin?
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Technology
Who Invented Electricity?
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Food
Who Invented the Barbeque?
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Food
Who Invented McDonalds?
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Food
Who Invented the Twix Candy Bar?
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Food
Who Invented Pizza?
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Health
Who Invented Insulin?
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