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People think that a pencil is abandoned when it just remains one-thirds of the length. However, this is not the end but a start.
The idea comes from a screw and a nut. A depleting pencil is able to be connected with a new pencil. This recycling design can not only save resource but also change peoples thinking.
Ming Chi University of Technology
Banqiao Dist., New Taipei City, Taiwan
Hsu, Yen
Ming Chi University of Technology
Banqiao Dist., New Taipei City, Taiwan
Chang, Chi-Shin