Three types of pictorial sketches are isometric, oblique, and ___ sketches.

Comparative scales are used for ___.

A plane may be located by ___ parallel lines.

How are cutting plane lines drawn?

The eccentricity of a hyperbola is ___ than one.

Isometric projection of a sphere is a circle having a diameter ___ to that of the sphere.

The horizontal lines are drawn from ___ to ___.

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