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In our daily life,Cleaning is essential.Especially during the festive season .We have to clean around the house to wait for the arrival of family members or friends,The ceiling lights also need to be cleaned.One year later,lots of flying insects bodies and dirty garbage will be left in lampshade.When you need to clean the lights,you will find out it is a inconvenient things:You need to take the lampshade off and climb down the ladder, clean it and climb up the ladder again to install the lampshade.If the lampshade can be opened from the middle, a rag can take care every thing,what a convenient thing!
BJ Institute of Technology,Zhuhai
Zhuhai, China
KaiDong Wen,
BJ Institute of Technology,Zhuhai