Elv maintenance groups: responsible for the elv work, including fire alarm system, broadcasting system, emergency lighting system, monitoring systems, access control, conference room av system, etc.

弱电维修组：负责全厂弱电工作，包括火灾报警系统，广播系统，应急照明系统，监控系统，门禁系统，会议室影音系统等。

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Once LED lighting systems are networked, you can do a lot of things with them such as detect motion, predict maintenance or figure out how many people are in a room.

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