Online logarithm problem (problem comprises self-inspection staff) / mass of the door window-integrated car number * 1000 + number of lines problem / quality final inspection window-door car number 1000 *
Number of online problems (including employee self-test questions) / Comprehensive quality door through the door number of 1000 plus the number of problems under the line / final inspection quality door through the door number of 1000
Number of on-line problems (including staff self inspection problems) / number of comprehensive quality door crossing vehicles * 1000 + number of off-line problems / number of final quality door crossing vehicles * 1000