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Vacuum cleaners are equipped with many suction heads, most of which are not used or lazy to change.
This design integrates the size of the suction head. You can control the vacuum cleaner by pushing and pulling the handle,to clean space of different areas, so as to make it easier and faster to clean and improve work efficiency.
Liaoning University of Technology
Jinzhou, China
Hongbin Yu,
Liaoning University of Technology
