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What did human beings transform raw materials of nature into?
What did human beings transform raw materials of nature into?
What was transformed into clothes before plants were turned into fiber?
What was transformed into clothes before plants were turned into fiber?
What was used to make the transformation from fiber to final products like clothes?
What was used to make the transformation from fiber to final products like clothes?
What was used to make the final products needed by human beings?
What was used to make the final products needed by human beings?
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In the equation at the end of the text, what number is represented by '= 964'?
In the equation at the end of the text, what number is represented by '= 964'?
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