求翻译：I believe from now on, we should make public annoucement by our PA system to tell the staff that the power will be switch from one system to another. Since the machine has many CPU and IC chips, the suddendly shut down without notice create a lot damage to the electronic parts and it is costly to repair it. My suggestion is to have two annoucnment, first annoucment should be made one hour before the switch time, second one should be 10 mins before the power cut off taking place. Please make sure Ah Heung understand my request.是什么意思？

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