Educational Services-Namely, Instructional Services for Real Estate Transactions by Property Owners

CHEMICAL SUBSTANCES USED TO TREAT METALS FOR CHEMICAL MODIFICATION OF THE METAL SURFACES, EITHER PREPARATORY TO PAINTING, OR TO INCREASE CORROSION RESISTANCE, OR PREPARATORY TO STAMPING, DRAWING, EXTRUDING, OR OTHER FORMING OR DEFORMING OPERATIONS, OR TO MAKE THE SURFACES MORE RECEPTIVE TO COATING MATERIALS OR LUBRICANTS