1. The saw blade should be installed properly, and do not use excessive force suddenly when sawing, so as to prevent the saw blade from breaking and the saw bow breaking out and hurting people during work.
2. When the workpiece is to be sawed off, the pressure should be small to avoid the sudden disconnection of the workpiece due to excessive pressure, and the accident caused by the hand rushing forward. Generally, when the workpiece is to be sawed off, the left hand should be used to hold the broken part of the workpiece to avoid falling and smashing. leg.