| 摘要 |
A magnetic sweeper includes a tubular body made of a non-magnetic material, a magnet unit, and a slider made of a non-magnetic material. The magnet unit is disposed inside the tubular body, and is capable of attracting and retaining magnetically attractable pieces on an attracting portion of the tubular body. The slider is mounted on and is slidable along the tubular body such that movement of the slider on the tubular body can result in pushing of the magnetically attractable pieces out of the magnetic range of the magnet unit such that the magnetically attractable pieces can fall freely from the tubular body.
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