If these scratch patterns are what I think they are then they probably occurred during fabrication. Some polishing machines have ten inch diameter polishing heads. It is not unusual to have these patterns show up after the floor has been polished. The polishing process tends to highlight these scratches and this is why they show up after polishing. The only way to remove them is to grind the floor.
Article ID: 488
Created: January 20, 2022
Last Updated: January 20, 2022
Author: Pam Freitag
Online URL: https://sr-manual.com/kb/article/i-have-these-circular-scratches-in-a-large-granite-floor-the-scratch-pattern-is-in-a-row-of-three-in-each-tile-and-is-about-ten-inches-in-diameter-the-tiles-are-12-by-24-inches-and-the-scratch-pattern-runs-perpendicular-to-the-longer-edge-of-the-ti-488.html