The cement production in India increased by the year.

The distress in bituminous pavement due to ineffective drainage system develops during ______

Common types of unsurfaced roads adopted in India are _______

The rate of structural deterioration of flexible pavement doesn’t depend on _______

The shear failure of soil sub grade may be attributed to ______

The characteristics deflection value is _______

The shrinkage cracks have a length of _______

The minimum length of a sub stretch is _______