| 摘要 |
PROBLEM TO BE SOLVED: To achieve an effect similar to or better than conventional manual work, ease work and finish the work in a short time by providing only one shake brush 4 and emphasizing ease of use. SOLUTION: One shake brush 4 is connected to a transmission cable 3 and rotated by a motor. A switch 1 is provided near the handle 2 to make it easy to use.
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