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Engineering, 22.12.2020 20:40 FutureDB

the great pyramid of khufu (giza, egypt) is about 140m tall. How much work would be required to raise an average - sized pyramid black (2.5 tons) to this height?

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the great pyramid of khufu (giza, egypt) is about 140m tall. How much work would be required to rais...
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