| become blocked | 0.25 |
| serve as the bollard po… | 0.25 |
| get clogged | 0.16 |
| durable | 0.35 |
| broken pipes | 0.58 |
| manufactured adhering t… | 0.55 |
| typical steel pipe | 0.33 |
| welded | 0.79 |
| made available | 0.68 |
| filled with water | 0.32 |
| coupled with buried pipe | 0.25 |
| galvanized | 0.25 |