Nyob rau hauv Overhead faib txoj kab, cov khoom siv hlau siv tau txuas thiab muab cov fittings {{(fittings thiab cov fiticing fittings thiab tiv thaiv fittings .
Lub khawm qhib hom hom yog qhov yooj yim rau kev teeb tsa cov kab mob ntawm lub ntsej muag) tooj dag . Thaum siv nrog txhuas strands lossis insed aluminium strands lub camping aluminium .
Lub cev thiab lub siab phaj ntawm Bolt Hom Cawv Hlau Ua kom muaj cov kab hlau, thiab nws tau ua kom muaj hlau loj heev Ntxim .
Cov hlau ua ntej, uas yog kev tsim qauv nrog cov hlau uas tsis muaj txiaj ntsig, nws dhau los ua ntej tsis muaj kev sib tw ua ntej} 6}} lub suab nrov muab tso rau ntawm lub siab zoo li lub siab thiab txuas nrog insulator insulator {}} Cov tshuaj instrated steel hlau thiab tuaj yeem ntsia tau ncaj qha rau ntawm lub rwb thaiv tsev txheej ntawm cov insulated neeg xyuas.} Twisted Strain Stainless Alloy Stainless yog ua los ntawm Galvanized Steel .
