Many stores now they have a power supply device, on a regular basis will be nursed, once the power supply meet danger, or the alarm, someone will stop processing in time, others at different times to check the power supply, every inspection of special care, sitting all services, are also to every shop in the mall staff safety, but also some of the power supply device of health on a regular basis to do a processing, less as far as possible some unnecessary hidden trouble, and who is responsible for the personnel in stick to their positions at the same time, also has its own responsibility, they do is also very good, work is also their responsibility.