Át phan = Asphalt cụ ơi:
Asphalt US i/ˈæsfɔːlt/ or UK /ˈæʃfælt/,[1][2] also known as bitumen /bɪˈtuːmən, baɪ-/,[3][4] is a sticky, black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product; it is a substance classed as a...