Kapangidwe ka GYXTW53: "GY" chingwe chakunja cha fiber optic, "x" chapakati chomanga chubu, "T" kudzaza mafuta, "W" tepi yachitsulo yokulungidwa motalika + PE polyethylene sheath yokhala ndi mawaya awiri achitsulo."53" chitsulo Ndi zida + PE polyethylene sheath.Central mitolo iwiri ...