I-SHANVIM ibonelela ngeentsimbi zemihlathi ezenziwe ngentsimbi yemanganese, ezilungele izityumzi zemihlathi ezahlukeneyo kwihlabathi jikelele.Ukubonelela ngeenxalenye kunye nenkxaso yobugcisa bezemigodi, iaggregate, kunye neshishini lokurisayikilisha emva kwemarike.
