Number of fish bolts per fish plate in India is

Potash lime glass is also known as

The length of Engineer's chain is

The most common material used as vehicle of a paint is

The handrail stair case is supported by:

M 20 grade of concrete belongs to

If 2mm on drawing represents 10mm of an object, the RF is

The art of determining and representing the relative heights or elevations of different points on the surface of the earth :

The longest chain line in chain surveying is called:

___________ is used for enlargement and reduction of plans.