Using the Makita A - 96104 saw blade is easy. First, make sure you have the Makita 5 - 7/8 - inch cordless metal cutting saw. Install the blade carefully according to the saw's instructions. When cutting, hold the saw firmly and guide it slowly along the metal you want to cut. This will help you get a smooth and accurate cut. As for precautions, always wear safety goggles to protect your eyes from metal chips. Don't force the blade during cutting, as this can damage the blade and the saw. For maintenance, after each use, clean the blade with a soft brush to remove any metal debris. Store it in a dry place to prevent rusting. If you notice the blade is not cutting as well as before, it might be time to replace it.