Imikhiqizo Amavidiyo I-Stainless steel isolation tape yenguqulo yesiNgisi I-Ductile cast iron Ikhava ye-resin-concrete Gutter demo scenario inguqulo yakamuva Isimo sokufakwa kwe-gutter ehlanganisiwe umzila wokudonsa amanzi ngegridi yensimbi engagqwali
