inspection more severe than normal inspection, to which the latter is switched when inspection results of a predetermined number of lots indicate that the quality level achieved by the process is poorer than that specified, tavakontrollist tunduvalt tugevam kontroll, mida rakendatakse juhul, kui etteantud arvuga partii kontrolli-/mõõtetulemused viitavad protsessi nõrgemale kvaliteeditasemele kui määratud tase