Kusukela yasungulwa eminyakeni eyikhulu edlule, insimbi engagqwali isiphenduke into esetshenziswa kakhulu futhi ethandwa kakhulu emhlabeni.Okuqukethwe kwe-Chromium kunikeza ukumelana nokugqwala.Ukumelana kungaboniswa ekunciphiseni ama-asidi kanye nokuhlaselwa kwe-pitting kuzixazululo ze-chloride.Inesidingo esincane sokunakekela kanye nokukhanya okujwayelekile, okuyenza ibe yinto enhle kakhulu futhi enhle kakhulu yamapayipi ensimbi engagqwali.