-LABOUR SUPPLY: Process / Sales
-SELLING: Expenses / Materials
-DISTRIBUTION SUPPLY: Distribution / Warehouse / Handling / Process
-ADVERTISING SUPPLY: Mail / Media / Materials / P.O.S. / Event
-AFTER-SALES SUPPLY: Service / Customer Materials & Handling
-OPERATING SUPPLY: Materials & Energy Supply
- - Materials, parts, containers + supplies
- - Ceramic raw materials, including powders, chemicals + fibers, excluding refractory uses
- - Ceramic & ceramic composite parts, components + accessories
- - Mill shapes & forms, except castings & forgings: Carbon steel: Sheet & strip
- - Mill shapes & forms, except castings & forgings: Carbon steel: Plates
- - Mill shapes & forms, except castings & forgings: Carbon steel: Structural shapes
- - Mill shapes & forms, except castings & forgings: Alloy steel, except stainless
- - Mill shapes & forms, except castings & forgings: Stainless steel: Sheet & strip
- - Mill shapes & forms, except castings & forgings: Stainless steel: All other
- - Mill shapes & forms, except castings & forgings: Carbon steel: All other carbon steel mill shapes & forms
- - Steel castings (rough & semifinished)
- - Mill shapes & forms, except castings & forgings: Aluminum & aluminum-base alloy: All other (sheet, plate, foil, wire, rolled rod & bar, powder, welded tubing, etc.)
- - Mill shapes & forms, except castings & forgings: Copper & copper-base alloy: Rod, bar + mechanical wire, including extruded and/or drawn shapes
- - Mill shapes & forms, except castings & forgings: Copper & copper-base alloy: Plate, sheet + strip, including military cups & discs
- - Mill shapes & forms, except castings & forgings: Copper & copper-base alloy: Pipe & tube
- - Mill shapes & forms, except castings & forgings: Aluminum & aluminum-base alloy: Sheet, plate + foil
- - Oil & gas burners for industrial furnaces, ovens + kilns
- - Electric heating elements for industrial furnaces, ovens + kilns
- - Parts specifically designed for industrial furnaces, ovens + kilns (not listed above)
- - Electrical distribution, transmission + control equipment
- - All other materials & components, parts, containers + supplies
- - Materials, parts, containers + supplies, n.s.k.