Class 011
Environmental Control Instrument Products (lighting,heating,cooling,cooking)
Class 012
Vehicles and Products for locomotion by land, air or water
Industrial furnaces, gas and liquid dryers, heaters, combustion systems, heat exchangers, industrial ovens, direct flame heating fixtures, mine shaft air heaters, control and instrument panels, fuel handling systems, fuel conversion systems, filters, atmosphere generators, material conveyor systems and industrial burners.