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In our daily life, the water bottles are often thrown away, which cause the pollution and waste. The driller is specially designed for the water bottles, people just need to rotate it and then the internal spiral needles can easily make holes on the cap. In this way, the water bottles will become a container of water flowering, which realize the recycling, both economic and environmental protection.
ZheJiang University Of Technology
Hangzhou, China
ZheJiang University Of Technology
Hangzhou, China
Tang Du, Wang Ping, Shao Bixian, Sheng Yalai,