Portable Circular Saw Safety Precautions
For maximum control, hold the saw firmly with both hands after securing the workpiece. Clamp workpieces. Check frequently to be sure clamps remain secure.
Avoid cutting small pieces that can't be properly secured and material on which the saw shoe can't properly rest.
When you start the saw, allow the blade to reach full speed before contacting the workpiece.
When making a partial cut, or if power is interrupted, release the trigger immediately and don't remove the saw until the blade has come to a complete stop.