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Non-Smoking Area / Consider smoke detectors

Non-Smoking Area

Smoking not only hurts self-healthy, others' as well.
This design of gas filter considers more about others.
it handle with poisonous gases and store them to decrease the damage to people, meanwhile, the air in the house would be clear, it would make a healthier environment.


Yanshan University

Yanshan University
Qinhuangdao, China


yanshan university

yanshan university
qinhuangdao, China

zhe zuo yongkun li zhenchao yue wenya song