Examples:

Bracketry
Panels
Cabinets and Enclosures of all kinds
Covers
Angles and U channels
Chassis
Housings
Frames
Copper Bus Bars
Tight Tolerance Weldments
Wood Burning Stoves

Materials:

Aluminum – All alloys .018 to .250 thk.
Stainless Steel – All alloys 26 gage to 11 gage (.018 thk. to .125 thk.)
Steel and Coated Steels – 26 gage to 7 gage (.018 thk. to .187 thk.)
Copper – 26 gage to 7 gage (.018 thk. to .187 thk.
Brass – 26 gage to 14 gage (.018 thk. to .074 thk.)
Titanium – 26 gage to 14 gage (.018 thk. to .074 thk.)