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Questions and Answers
When was the Blast Furnace, also known as 'cast iron', first known to appear?
When was the Blast Furnace, also known as 'cast iron', first known to appear?
Where was the Hourglass documented to be a medieval innovation?
Where was the Hourglass documented to be a medieval innovation?
Who is credited with inventing oil paint around 1410?
Who is credited with inventing oil paint around 1410?
Which invention originated from India in the 6th century A.D. and spread to Europe?
Which invention originated from India in the 6th century A.D. and spread to Europe?
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What special type of water mill is driven by tidal rise and fall?
What special type of water mill is driven by tidal rise and fall?
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Which technique was established for a 40-day period to prevent the spreading of diseases like the Black Death?
Which technique was established for a 40-day period to prevent the spreading of diseases like the Black Death?
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