How are centre lines and locus lines drawn?

A drafting machine is designed to perform functions of _____:

Comparative scales are used for ___.

Dimetric projection is an example of ___ projection.

The true shape of a section is a ___ when a cylinder is cut by a section plane inclined to the axis.

The planes which are inclined to the H.P. but perpendicular to the V.P. are called ___.

A point has simply ___ but no magnitude and direction.

When the center line coincides with a solid line, the ___ line takes preference.