Spread the love
1. C) 0.85 P
2. A) Geometrical stair
3. A) To drain off the water from the filling
4. C) Drainage
5. C) The mid point of the bubble
6. A) Proof resilience
7. A) Tricalcium aluminate
8. A) A stone with large percentage of quartz is very soft
9. C) Cork flooring
10. B) Riprap