The compressive strength of ordinary cement is less than its tensile strength.

For the construction of retaining walls, a

The drier in an oil paint should not be more than

The compressive strength of perforated bricks should not be less than

The rapid hardening Portland cement has a

The bitumen paints are used for providing

The hand made bricks are

The thickness of five-ply sheet varies from

The colour of brick depends upon the amount of iron oxide present in the clay.