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30 degrees / 30 degrees

30 degrees

Because the current leaking hole of most sewer lids is vertically downward, so when women wearing
high heels and a man with a walking_stick walk from above, it is easy to get sprained accidentally.
Considering this, we designed a 30 degrees slope for each leaking hole of the sewer lids.


Nanchang University

Nanchang University
NanChang, China

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Nanchang University

Nanchang University
NanChang, China

Heqi Zhao Yingchao Yang Lin Cheng Zeng Wang

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