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When we clean the room, will find that there are many places is difficult to clean,
for example, a corner, a triangular base hangers, and the beneath of tea table.
The ordinary besom can not adapt to the environment because of their shape
and size is fixed. Bionic besom imitate tree branches, external is made of soft rubber,
internal is steel slice, the broom head branch has tenacity, along with the change
of the stress change shape, no matter in any environment, the bionic besom can
easily complete the cleanup.
Dalian Minzu University