components of road material
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tarcoal, roddie(those small stones in hindi is called roddii)
these roddie are of 2 types!
the bottom layer is of thick roddi and the top layer is of small roddie
generally, i guess, 5mm for top and 10-20mm for bottom
these roddie are of 2 types!
the bottom layer is of thick roddi and the top layer is of small roddie
generally, i guess, 5mm for top and 10-20mm for bottom
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