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In spite of the rapid growth of technology, our environment has been seriously polluted. It is mainly because there has been a vast amount of trash.People take scavengers clean it for us for granted, but with the decreasing numbers of scavengers, we can’t fully depend on them to maintain our own environments’ cleanness. CD is a drone that automatically search for litter dropped every corners,especially some places that’s difficult or dangerous for people to reach such as roofs, trees, highway... CD has a elite robot arm and claws in order to pick up trash and gathers it in waste yards. With CD,human may have neat environment.
Tao Chieh Chang,