How to Remove Motor Oil and Grease from Hands. Sometimes just washing your hands will not remove motor oil or grease. Removing motor oil and grease from hands can be a difficult feat, but with a few simple steps your hands will be clean again.
I Can't Fix Stupid But I Can Charge For It Sign - Mechanic Garage And Toolbox Signs
This is not an exactly correct comparison, many teachers must purchase supply type items which their students consume. To make this a correct comparison, require the mechanic to pay for shop towels, disposal fees etc, then you have a fair comparison.