French curves are used to draw :

The isometric length of the edge of the cube is

The angle between two perpendicular lines is

The projection in which the length breadth and height of an object is shown in one view is Known as:

In the case of the aligned method of dimensioning they can be readable from

The hardness of pencil lead increase as numeral latter H:

In the case of the unidirectional method of dimensioning they can be read from

The shape of scales are