| 摘要 |
The invention relates to a power tool provided to perform a cutting operation, said power tool having a base on which a work piece to be cut is placed, and a cutting unit on which a blade or grinding wheel is mounted for rotation. At least one guideline generating unit is provided which includes a light emitting means such as a laser to generate a guideline onto the work piece to allow the blade of the cutting unit to be aligned with the guideline, and the guideline generating unit emits a guideline light from a level which is the same as or below the plane of the top surface of the base. The guideline generating unit can be provided within the base or attached to the front or side of the same.
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