BITUMEN

битум, горная смола; асфальт - artificial bitumen - asphaltic bitumen - blown bitumen - brown coal bitumen - cutback bitumen - emulsifield bitumen - fixed bitumen - hard bitumen - liquid bitumen - native bitumen - natural bitumen - negative spot test bitumen - oily bitumen - paving bitumen - petroleum bitumen - positive spot test bitumen - scattered bitumens - semisolid bitumen - slow-setting bitumen - soluble bitumen - viscid bitumen - viscous bitumen - waterproof bitumen - weathered bitumen