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Street drain has played a common but humble role in our lives, and thus, its inconvenience has often been ignored. There are times that people drop their belongings down the drain, animals or high heels stuck, etc. Also, the peculiar smell and the breeding of mosquitos are the problems that we may encounter.
To solve these problems, Dropping-Proof Drain Cover is divided into two parts. First, for the upper cover, the drain holes are designed to be S-shaped, which prevent objects from dropping down the drain directly. The second part is actually a back cover which is designed to cut off the smell and mosquitos. On the surface of the back cove
Lunghwa University of Science and Technology