When the drawing is made to the same size as the object, the name of the scale is ___.

The extension lines should not extend about ___ mm beyond the dimension line.

A plane may be located by ___ parallel lines.

Roman lettering is used in ___ drawing.

The projection obtained on an H.P. of a cut object is called sectional ___.

In the first angle projection, the view from the left is placed ___ the front view.

The straight lines which intersect each other at the centre of the transverse axis are known as ___.

An isometric projection is a  ___.