Using a paper towel is an effective way to clean up messes. Wiping with a paper towel is the first step, as it removes the bulk of the mess. Then, drying with a paper towel helps to remove any remaining moisture. Blotting with a paper towel can help to absorb any remaining liquid. SOP is an acronym for Standard Operating Procedure, which is a set of instructions for how to use a paper towel. Finally, wiping up with a paper towel can help to finish the job and leave the area clean.