中断前作好器材工具的准备工作，通知相关人员提高警觉，准备相关安全器材或替代设施，悬挂警告标示。
Prepare materials and tools properly before interruption, notify the relevant personnel to be on alert, prepare relevant safety materials or substitute facilities, hang warning signs.
中断前作好器材工具的准备工作，通知相关人员提高警觉，准备相关安全器材或替代设施，悬挂警告标示。
Prepare materials and tools properly before interruption, notify the relevant personnel to be on alert, prepare relevant safety materials or substitute facilities, hang warning signs.
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