How to remove copper chips from the surface of longitudinal cutter

1. First, use a scraper or plastic scraper to gently scrape off the large copper scraps on the surface.

2. Secondly, dip some detergent in a cloth or paper towel, and gently wipe the surface of the blade to remove the residual copper chips.

3. Finally, after cleaning, rinse the surface of the blade with clear water to remove the residual detergent and copper chips.