Galvanized Yeeb Nkab
Cov kav dej steelarearevanvanizedwhen lawv tau tsau rau hauv cov hlau xeb. Cov xim zinc no pab tiv thaiv xeb. Txawm li cas los xij, tom qab ntau xyoo dhau los ntawm kev siv, kev xeb thiab xeb tsim nyob rau sab hauv ntawm cov pob zeb, uas tuaj yeem tsim teeb meem. ... Yog hais tias qhov saum npoo ntawm thepipeis xim ntawm lub penny, ces thepipeis ntshemadefrom tooj liab.
Galvanized steel tuaj yeem ua rau cov kav dej loj lossis cov khoom siv tubing - ib qho uas tiv tau xeb los ntawm kev cuam tshuam nrog dej lossis cov khoom. Nws tau siv rau kev xa dej los yog cov kav dej muaj zog rau kev siv sab nraum zoov.
Cov yeeb nkab galvanized tau raug coated nrog txheej txheej ntawm zinc. Cov zinc muab qhov thaiv kom tsis txhob xeb kom lub yeeb nkab yuav raug rau cov khoom siv sab nraum zoov ib puag ncig. Qhov kev thaiv teeb meem ua pov thawj zoo sib npaug tiv thaiv kev puas tsuaj los ntawm cov av noo.
Qhov Twg Nws' s Siv
Hom yeeb nkab no tau siv rau hauv ntau qhov kev teeb tsa. Ua ntej xyoo 1970, cov hlau galvanized tau siv rau cov kav xa dej hauv kev tsim kho. Nws yog siv rau hauv cov ntawv thov sab nraum zoov qhov twg lub zog ntawm cov hlau yog xav tau, xws li lub laj kab xov xwm thiab tus ntsia, ntsia hlau thiab ua kev tiv thaiv kev tsheb nqaj hlau.
