The two parts of T-square are……………… and ………

The unseen/inner edge of an object is represented by

In engineering drawing auxiliary views are used to show details of :

A plane other than horizontal and vertical placed at any angle to the principal planes is :

The area occupied by A0 ( drawing sheet ) is ……………… times the area occupied by A1 (drawing sheet )

The hardness of pencil lead increase as numeral latter H:

Axonometric projection is a special type of

In italic lettering the direction of the letters is at: