[Ububanzi besicelo]
Isetshenziselwa ukunquma ukubuyiswa komswakama (noma okuqukethwe umswakama) wemicu ehlukahlukene, izintambo, izindwangu kanye nokomiswa kwezinga lokushisa okungaguquki kwezinye izimboni.
[Isimiso sokuhlola]
Ngokohlelo olusethiwe lokumisa ngokushesha, ukulinganisa okuzenzakalelayo ngesikhathi esithile, ukuqhathaniswa kwemiphumela emibili yokukala, lapho umehluko wesisindo phakathi kwezikhathi ezimbili eziseduze ungaphansi kwenani elishiwo, okungukuthi, ukuhlolwa kuqediwe, futhi ngokuzenzakalelayo. bala imiphumela.
[Amazinga ahambisanayo]
I-GB/T 9995-1997, GB 6102.1, GB/T 4743, GB/T 6503-2008, ISO 6741.1:1989, ISO 2060:1994, ASTM D2654, njll.