Kumanika Byombi-Gukoresha Ikurikiranyanyuguti Byakoreshejwe mu gushyigikira abayobora, OPGW, ADSS, imirongo y'itumanaho.Sheave ya pulley ikozwe muri higth strength nylon, cyangwa ibikoresho bya aluminium, naho ikadiri ikozwe mubyuma.Ibicuruzwa birashobora gukoreshwa muburyo bwo kumanika ubwoko bwa pulley cyangwa skyward stringing pulley.