Foundation
Sidewalk
Castles
Bridges
Curbs
Streets
well kind of you can make concret whitch goes on the road to make one but it might be a natural resouce.
C : refer to concret 20 : its Resistance of concret cube when we make test on it after 28 days measuring by N/mm2.
with metal and concret
concret
what rate of trimix concret
Water+cement
common noun
Concrete is a mixture not a chemical compound.
water+cement=concrete
The ancient Romans developed concrete.
very thick concret fortifications
2400 kgs