| However, this month the winds and driving rain so far prevented any such activity and hopes for an early clean up so far are postponed. |
| Rapid transition through multiple time zones causes jet lag, which can be prevented by melatonin. |
| About 40 protesters blockaded the Burnhills landfill last Saturday and prevented delivery of six wagonloads of waste. |
| They drove pegs into his land to stake out claims, and prevented him from entering his fields. |
| The anoxia probably prevented active and continuous bioturbation of the sediment. |
| Proliferation of weapons-grade material can readily be prevented if the necessary international will exists. |
