Identification display
(1) Are product lots distinguishable among before-inspection, under-inspection, after-inspection, and of non-acceptance by the attached identification plates?
(2) Are non-acceptance lots distinguished?
In-coming inspection
(1) Are characteristics to be inspected, inspection specifications, sampling inspection standard, sampling inspection plan, and AQL (acceptable quality level) clarified for each part?
(2) Are characteristics to be inspected and inspection standards clearly explained and documented using illustrations, photos, drawings and product appearance limit samples?