Q. Plastic asphalt is (Solved)
1. Used as a water proofing layer over roof
2. A mixture of cement and asphalt
3. A natural asphalt
4. A refinery product
- b. A mixture of cement and asphalt
1. Used as a water proofing layer over roof
2. A mixture of cement and asphalt
3. A natural asphalt
4. A refinery product