In the third angle projection, if the auxiliary vertical plane is placed on the right side of the object, the view obtai…

When the measurements are desired in three units, ___ scale is used.

The bisector of a line meets it at ___.

The vertical lines are always drawn from ___ to ___.

To represent a solid in orthographic projections, at least ___ view are necessary.

When all the faces are oblique to the picture plane, the resulting picture is called ___ perspective.

___ is a curve generated by a point on the circumference of a rolling circle.

How are irregular boundary lines and short break lines drawn?