a joint between two pieces of sheet metal, made by folding up the overlapping edges against each other, then folding them over in the same direction a number of times.
[ 1955-60 ]
a joint between two pieces of sheet metal, made by folding up the overlapping edges against each other, then folding them over in the same direction a number of times.
[ 1955-60 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012