Now I know how much hard work is needed to Calibrate my number 4 Planer. This took me two hours last night, non stop, flat sanding. I was covered in black dust and blew so much of it out of my nose, I really should have thought about using a mask. It still needs a lot of work, there's more flat grinding to do. I need to cover my mouth and nose next time. Maybe wear gloves too. Still, I'm pleased enough. #calibration #planer #wood #woodworking #tools #shining

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