Using these DeWalt saw blades is easy. First, make sure your circular saw is turned off and unplugged. Then, install the blade following the saw's instructions. When cutting, apply steady pressure and let the blade do the work. Don't force it through the material. For best results, use these blades on materials they're designed for, like particle board. As for maintenance, after each use, clean the blade with a soft brush to remove any debris. Keep the blade dry to prevent rust. If the blade becomes dull or damaged, replace it immediately. This will ensure safe and efficient operation of your saw and help you get the most out of your DeWalt saw blades.