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In daily lives, we are always confronted with the situation Like: Its very difficult to remove the pin after pressing it into the wall. Greedy egg takes an eggs shape for an easy holding. At one top of the egg, there is a triangle-shaped opening, when remove the pin, the triangle opening can be used to fix the pin and remove it. The pins can be swollowed in to the inner side of the greedy egg. By making use of greedy egg, we solve the tough problem of removing the pin and collecting the used pins. During the removing procedure by making use of greedy egg, nobody will be hurt and its convenient for pin recycling and using.
Dalian Minzu University
Dalian, China
Di Fang,
Xuefei Liu,
Yina Liu,
Pei Liao