Difference Between Bitumen And Tar

What Is Bitumen? Bitumen is a material which is extensively used to make flexible pavement road. It is a combination of different organic matters such as vegetation, dead …

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Types Of Curves On Hill Roads

Types Of Curves On Hill Roads: The types of curves provided on hill roads are as following: 1 Hair-pin curves, 2 salient curves, 3 Re-entrant curves. 1. Hair-pin Curves: …

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