问答4：什么是全部停电的工作?
["\u5168\u90e8\u505c\u7535\u7684\u5de5\u4f5c\uff0c\u662f\u6307\u5ba4\u5185\u9ad8\u538b\u8bbe\u5907\u5168\u90e8\u505c\u7535(\u5305\u62ec\u67b6\u7a7a\u7ebf\u8def\u4e0e\u7535\u7f06\u5f15\u5165\u7ebf\u5728\u5185)\uff0c\u5e76\u4e14\u901a\u81f3\u90bb\u63a5\u9ad8\u538b\u5ba4\u7684\u95e8\u5168\u90e8\u95ed\u9501\uff0c\u4ee5\u53ca\u5ba4\u5916\u9ad8\u538b\u8bbe\u5907\u5168\u90e8\u505c\u7535(\u5305\u62ec\u67b6\u7a7a\u7ebf\u8def\u4e0e\u7535\u7f06\u5f15\u5165\u7ebf\u5728\u5185)\u7684\u5de5\u4f5c\u3002"]