Techbit on Instagram: "Paper-cutting tests are a simple but reliable way to measure how sharp and well-crafted a blade is. A blade that slices through paper cleanly—with no tearing or snagging—shows a fine, consistent edge. If the paper catches or rips, it’s a clear sign the blade is dull or uneven. This quick test helps assess cutting performance without specialized tools. (No copyright intended, DM for Credit or Removal) #facts #knowledge #viral #fyp #didyouknow #reels #technology #innovation