| A | B |
Curved edges project as curved lines on the planes to which they are inclined.,  | CURVED EDGE INCLINED PROJECTED TO PLANE |
Edges that are inclined to a plane of projection appear as foreshortened lines.,  | INCLINED EDGE PROJECTED TO PLANE |
Curved edges project as straight lines on the plane which they are perpendicular.,  | CURVED EDGE PERPENDICULAR TO PLANE |
Edges that are perpendicular to a plane of projection appear as a point.,  | EDGE PERPENDICULAR TO PLANE |
Where a plane surface intersects a curved surface an edge is formed.,  | PLANE PERPENDICULAR TO CURVE |
Where a plane surface is tangent to a curved surface, no line should appear where they join.,  | PLANE TANGENT TO A CURVE |
Curved edges project as curved lines on the planes to which they are parallel.,  | PLANE PARALLEL TO A CURVED EDGE |
Edges that are parallel to a plane of projection appear as true length lines.,  | EDGE PARALLEL TO A PLANE |
A normal surface is perpendicular to two of the planes of projection and parallel to the third.,  | SURFACE PROJECTED TO 3 PLANES |
An inclined surface is perpendicular to one plane of projection and inclined to the other two.,  | INCLINED SURFACE PROJECTED TO 3 PLANES |
Surfaces that are inclined to a plane of projection appear foreshortened.,  | INCLINED SURFACE PROJECTED TO PLANE |
An oblique surface is inclined to all three planes of projection.,  | OBLIQUE SURFACE PROJECTED TO 3 PLANES |
Surfaces that are perpendicular to a plane of projection appear as lines.,  | SURFACE PERPENDICULAR TO PLANE |
Surfaces that are parallel to a plane of projection appear as true size surfaces.,  | PARALLEL SURFACE PROJECTED TO PLANE |