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... large quantity of lime,

Roman’s first action was to drive everyone to build the road.

They poured raw materials such as lime, gravel, crushed stone, clay, silt, and even a large amount of wheat straw and weeds onto the road surface, added water, and stirred them into mortar.

This kind of mortar was a very primitive form of concrete.

The main components were sand, stone, soil, and grass.

The lime acted as a binder for the various auxiliary materials, playin ...

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