In a method for processing a workpiece to remove material from a first surface of the workpiece, steam is introduced onto the first surface under conditions so that at least some of the steam condenses and forms a liquid boundary layer on the first surface. Selection of the operation is made dependent on which ever address of a plurality of addresses is used to reference a single physical memory location in which there is stored a lock variable used to restrict access to a shared resource. An inkjet ink composition comprising a liquid medium, a colorant and the inkjet binder and a method for improving the durability of inkjet ink printed on a substrate are also provided. The plurality of interstitial regions includes a metal-solvent catalyst.