Asphalt roj yog raug hluav taws kub.
Ua ib derivative ntawm petroleum, asphalt inherently possesses flammable zog thiab lacks kuj hluav taws kub.
Asphalt roj yog raug hluav taws kub.
Ua ib derivative ntawm petroleum, asphalt inherently possesses flammable zog thiab lacks kuj hluav taws kub.