the mill contains balls from 80 mm to 30 mm
mm and of a width measuring at least 10 times the thickness. Universal mill plate i.e., flat rolled products rolled on four faces or in a closed box pass, of a width exceeding 150 mm, but not exceeding 1250 mm, and of a thickness of not less than 4 mm, not in coils and without patterns in relief of a thickness not less than 4.0 mm is not included