| The first employs roughly rectangular cubes, which increases the regularity of the design features and the contour line. |
| As soon as the contour line for the verifying analysis is available, it is added to the figure. |
| It is a contour line, dividing areas that are more than half selected from areas that are less than half selected. |
| The figures have been depicted within a frame delineated by a deep contour line. |
| He has a map showing a 600-foot contour line to indicate where the Ark could have landed. |
| Although deceptively simple with its black-and-white contour line design, this is an impressive piece of work. |
