The stone used for the construction of curved or ornamental work should be soft.

The metallic oxide used in the form of powder in a paint is called

The normal consistency of Portland cement is about

The fuel generally used for burning limestone is

The average out-turn of first class bricks in kiln burning is

The percentage of the slag component of Portland-slag cement varies from

The best primer used for structural steel work is

The size of mould for bricks should be

The shrinkage of concrete