The waste-disposal unit blocked and deprived them of water.废物处理装置堵住了,这使他们无法用水。Engineers have identified serious design flaws in the proposed nuclear waste dump.工程师们已确认拟建的核废物处理站存在严重的设计缺陷。The government has issued specific instructions on reducing waste disposal.政府已经发布了减少废物处理的具体指令。