... , quickly clear away the mark of crayon, oil stain, adhesive.ApplicationMachine tool, lathe& electrical equipments, electric generator, motor, ... moped, automobile, motorcycle, lock, door hinge, windows, rail, sewing machine, typewriter, printer, duplicator, and other office equipment, household appliance. ... rust.2.use hammer rap the rust parts.3.spray the anti-rust and lubricant to the parts ...