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With the accelerating pace of life, more and more people are unwilling to spend time on cleaning. It is hard to clean cobwebs of wall corner and dust of corner at the bottom of sofa or bed and so on, which bothers many people. Thus cleaning becomes very difficult. Free Cleaner is designed based on the present situation, and its form combines traditionaldust cleaner with remote control wall-climbing toy car. Under the principle of vacuumnegative pressure, Free Cleaner can reach any place on the vertical wall. The duster has two
side brush and one rolling brush to complete comprehensive indoor cleaning. It is convenient
and practical with
Wuhan University of Technology