| 摘要 |
PROBLEM TO BE SOLVED: To provide a suction port for cleaning a fluorescent tube by which the fluorescent tube installed on high position is easily cleaned standing on the floor without a step nor detaching the tube. SOLUTION: The suction port is attached to the top end of the suction joint of a vacuum cleaner to cover the fluorescent tube, and dust is brushed off, sucked or wiped out with a wiper.
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