| 摘要 |
A power tool comprising a reciprocating cutting blade is disclosed which has an improved dust or debris extraction arrangement and method. A motor fan is arranged to blow air into a conduit which has an outlet on one side of the power tool. The resulting air stream from the outlet is directed towards the area of a workpiece where the blade interacts with the workpiece. The air stream is off-axis with respect to the intended line of cut of the power tool. As a result, debris ejected on the workpiece is blown by the air stream away from the cut line to leave the cut line visible to the saw's operator during use.
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