Check that work instruction is following points :A follow-up (road) sheet identifies all successive operations of the process. At the end of each step, an acceptance is given prior to start the work at the next one. Quality status is available Existence of a production follow-up register with data, significant process events and incidents. Conform materials and articles are kept in appropriate conditions, functional layout and location identified A setting sheet defines machine, tools and all parameters affecting the process and their adjustments Inspection sheet is available and applied (Special and Critical characteristics are identified) A maintenance sheet (check list ) is available and applied ( job to do - schedules - & records )