| Share | Phrase |
|---|
| 15.31% | disposal [purpose] collect |
| 13.70% | disposal site |
| 12.47% | waste [effectiveness] disposal |
| 10.10% | disposal means |
| 9.10% | proper [accuracy] disposal |
| 7.63% | disposal device |
| 7.24% | disposal system |
| 6.41% | safe [functioning] disposal |
| 6.11% | subsequent [chronology] disposal |
| 5.35% | disposal problem |
| 4.13% | oil disposal |
| 2.39% | allow disposal [perform operation] |