Igihe kingana iki umutwe ukonje upfa ushobora gukoreshwa bifitanye isano nibikoresho bikoreshwa mubibumbano, niba imiterere yabumbabumbwe bifite ishingiro cyangwa bidafite ishingiro, nimbaraga zibikoresho byatunganijwe.Niba ari umuringa, aluminium nibindi bikoresho bidafite fer, ubuzima bwa serivisi bwububiko buzaba burebure.Niba ari ibikoresho byicyuma, ubuzima bwumurimo bwububiko buzaba bugufi cyane.
Igihe cyo kohereza: Nzeri-13-2022