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The convenience brought by flammable gases to us is self-evident, but their harm to the human body is also obvious. For the safety of people's lives, the presence of gas leak alarms is very important. Gas leak alarm is a very important gas safety device. It is the last protection for the .......

First, in the fire control room access "on duty records" to check the automatic alarm system maintenance, fire detector cleaning, replacement.

2. Examine the annual inspection certificate of the building fire protection facilities of the current year and the previous.......