| These plants are at their maximum stage of maturity and contain little leaf material in proportion to burs and stems. |
| The metal burs might be sharp enough to slice a good line across her throat. |
| Shearing burs shall be removed and edges rounded. |
| Do not use any steel nails or rosehead burs for closing as the way the flask fits could be impaired. |
| Fine diamond burs and silicone points are best suited to smooth out concavities and uneven surfaces. |
| Ferns brushed her ankles and burs snagged her skirt as she stumbled along compulsively. |
