Because the material will be so far down and so difficult to get to, no human management will be necessary once completed.

由于贮藏位置较深，难以提取，所以完成后无需人员管理。

Most nuclear power plants in the world today are designed to decrease power in the absence of human management, thereby reducing the risk of nuclear meltdowns, like the 1986 Chernobyl disaster.

当今世界上大多数核电站的设计目的是在无人管理的情况下减少功率，从而降低核熔毁的风险，例如 1986 年的切尔诺贝利灾难。