Isetshenziselwa ukulinganisa idigri yokuphiliswa kwezindwangu ezihlukahlukene ngaphansi kwengcindezi encane kanye nokumelana nokugqokwa kwezindwangu ezilukiwe zikakotini, ilineni kanye nosilika.
Hlangana nezinga:
I-GB/T4802.2-2008, GB/T13775, GB/T21196.1, GB/T21196.2, GB/T21196.3, GB/T21196.4; FZ/T20020; ISO12945.2, 12947; I-ASTM D 4966, 4970, IWS TM112, ingangezwa kumsebenzi wokuhlola ibhola kanye nediski (uyazikhethela) namanye amazinga.