Fujifilm Prescale film has benefited tens of thousands of users worldwide in helping characterize and reveal tactile surface pressure occurring between mating surfaces. Prescale is unique in being the only tool of its kinds that reveals surface contact pressure and force in an easy to use, economical, and deadly accurate form that is quickly observable by just the human eye. Prescale pressure indicating film is commonly used in both R&D as well as production environments. Prescale is a valuable quality control tool, often used to comply with ISO and internal QC standards, in a myriad of manufacturing environments from composites to electronics - in general any process where two surfaces mate, contact or impact. This powerful best practices and user guide distills years of product know-how into a quick reference manual that will pay for itself many times over in the first day of use. In this indispensable guide, the first of its kinds, the author goes in depth in how to best prepare, use, evaluate and analyze Fuji Prescale film.