🎥 Watch: Blade Care Tips from the Shop Floor, three things to take back to the shop. Every blade that comes off the saw is in one of three conditions. It's dirty, and it needs cleaning. It's dull, and it needs sharpening. Or it's done: cracked, damaged, or worn past the point of safe use, and it needs to come off the saw for good. Guessing wrong costs money either way. Send a blade that only needed cleaning out for sharpening, and you're paying for work you didn't need. Keep