Program a machine that applies acid to precision-etch metal and plastic.
Cements lining to caps and hats, performing any combination of following tasks: Brushes cement onto base of crown or underside of sweatband, positions lining in crown of hat, and presses with fingers to smooth and join lining to crown. Applies paste to linings of cap visors, using brush, and applies lacquered cloth covering to linings to complete visor assembly. Pours glue onto glass plate, presses dowel pins of spotting jig onto plate, presses jig against cardboard, and positions lining tip on cardboard to affix lining to cardboard. Applies paste to cardboard squares and manually presses silk hat lining to squares.