valtsitud lehtmetall paksusega üldjuhul üle 6,5 mm (1/4 tolli); teraspleki puhul valtsmetall paksusega üle 3,5 mm (vt õhukeplekk)
any material or piece of substantially uniform thickness and considerable length and width as compared to its thickness over 6.5 mm (1/4 inch) (compare: sheet)
