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The product is now spiral common bulb mouth, into a magnet. In the installation and replacement, only need to pull off old bulbs, insert the new bulb, changed the previous rotation installation, the installation time is long, people stood on a chair or a ladder height, very unsafe disadvantage, more safe, convenient.Now bulb mounted via rotatably. Thus during the installation process, consumes a long time, people in the process of standing height, will bring a lot of security risks.
Magnet bulbs installed by a magnet, reducing installation time.
College of Science&Technology
College of Science&Technology Ningbo University