| When he crashes against it and abrades his cheek upon its cold roughness, he realizes it is a tombstone. |
| Judging by the rankness of the floor and the roughness of the shadows, Peter suspected that he was in some sort of cave. |
| Back then, the wing nut who hit Grogan probably was flagged only for unnecessary roughness. |
| Acidic liquids can discolour the surface or even eat into the top layer of concrete, leaving a slight roughness. |
| Adding a coulter increased draft force and caused greater soil surface roughness compared with the sweep alone. |
| They moved with the right amount of physical roughness and then gentleness. |
