Hluav taws kub Resistance Cable

Daim ntawv thov: nws yog npaj rau kev siv dav dav.

Daim ntawv thov: Fais fab mov thiab teeb liab kis tau tus mob, sab hauv tsev lossis sab nraum zoov txawm tias ib puag ncig ntub. Rau taag nteg nyob rau hauv cov huab cua dawb, nyob rau hauv cov yeeb nkab los yog conduit, ntawm masonry thiab hlau lug los yog raug tshem tawm. Nyob rau hauv cov chaw uas thaum muaj hluav taws kub neeg raug kev phom sij loj heev vim muaj pa taws, pa phem thiab corrosive gases thiab qhov chaw koj xav kom tsis txhob muaj kev puas tsuaj rau cov chaw, khoom siv, khoom. Haum rau kev pub mis ntawm: kev tawm thaum muaj xwm txheej ceev, lub tswb ceeb toom, ceeb toom ntawm cov pa taws lossis roj, escalators. Haum rau tso underground direct lossis indirect.