As the reactor continued to burn, military helicopters reportedly flewover the site and dropped wet sand, lead and boron onto the burning reactor.
因为反应堆的大火仍在燃烧，有消息称，苏联动用了军用直升机，在反应堆上空空投湿砂、铅和硼等灭火物。
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Professor Edgar Hertwich, the lead author of the report, said: "Animal products cause more damage than [producing] construction minerals such as sand or cement, plastics or metals."
A windy day or a sand-throwing incident at the beach can lead to sand in the eyes, and properly administering first aid is essential in order to lessen the chance of a serious eye injury or infection.