Fiber optic cable stringing block (pulley), inoshandiswa kudhonza aerial fiber optic tambo kana tambo dzayo.Stringing block inogona kuve yakashongedzerwa netambo yekukiya, yakaiswa neruoko uye swiveling hook.
Inzwa wakasununguka kubvunza nezve fiber tambo yetambo block.
kupera...