1. Zam kev sib tsoo. Qhov no yog ib yam uas yuav tsum tau them sai sai rau thaum tuav zinc steel guardrails. Cov khoom yuav tsum tau ua tib zoo saib xyuas thaum lub sijhawm thauj mus los. Qhov chaw uas zinc steel guardrails muab tso rau yuav tsum yog qhov chaw uas lawv tsis tshua muaj kev sib cuag nrog cov khoom tawv. Thaum xaiv qhov chaw, nws tsis tuaj yeem hloov tau ntau zaus. Hauv av uas cov zinc steel guardrail tau muab tso rau yuav tsum tau muab cia kom tiaj tus, kom plaub ceg ntawm cov khoom ruaj khov thiab theem rau hauv av. Yog tias qhov kev sib tsoo tsis ruaj khov, cov khoom siv zinc steel yuav ua rau me ntsis deformation dhau sijhawm, uas yuav cuam tshuam rau lub neej kev pab cuam ntawm lub guardrail.
2. Ntxuav thiab tshem tawm cov plua plav. So saum npoo ntawm zinc steel guardrail nrog ib daim ntaub knitted. Rau plua plav ntawm qhov chaw concave thiab embossed qauv ntawm cov khoom, ib tug mos txhuam yuav siv tau los tshem tawm cov plua plav. Nyob rau hauv luv luv, tsuav koj paub txog kev saib xyuas ntawm zinc steel guardrails thiab xyuam xim rau kev tiv thaiv lawv nyob rau hauv lub neej txhua hnub, koj muaj peev xwm tswj tau lawv lub neej kev pab cuam.