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Wheel and Axle, Plow, Use of Stone Tools, Written Communication, Use of soft metal for tools
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Familiar with basic math, Could figure out areas and volume of excavations, Number system was base 60, Primitive Arches used in moving water, Bridges were built with stone piers carrying wooden stringers, Built roads, Gardens of Bablyon
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Pyramid Age, Able to precisely calculate the size of stones
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Aqueducts for: Water supply, Sanitary systems