Ukuhlelwa: Imichiza yokhulaUkuqulunqwa okuqhelekileyo kunye nomthamo: 38% SC, 50% SC, 90% WDG, njl.Umgangatho: ukuhambelana nemigangatho ye-ISO, BV, SGS, njlIphakheji: inkxaso yokwenza ngokwezifiso