(mill-finish) heavy plate, heavy sheet of metal, e.g. of steel: at least 4.5 mm thick or 7 gauge
(mill-finish) heavy plate, heavy sheet of metal, e.g. of steel: at least 4.5 mm thick or 7 gauge
(mill-finish) heavy plate, heavy sheet of metal, e.g. of steel: at least 4.5 mm thick or 7 gauge