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Ndedzipi mhando dzeyakajairika tai Yi guardrail network?
1. Furemu yekuchengetedza mambure Furemu yekuchengetedza mambure inonziwo "iyo furemu mhando inorwisa-kukwira yekutenderera jira mambure", "fureni yekuzviparadzanisa gridhi" zvichingodaro. Iyo igungano rezvinhu zvinogadziriswa, furemu yekuchengetedza mambure yakashandiswa zvakanyanya, inozivikanwa kupfuura general guardrail net yakakwira, ...Verenga zvimwe -
Chikumbiro chiyero chewaya chengetedzo mambure
Yakavharwa waya, inozivikanwawo sewaya waya waya, waya yekuzviparadzanisa mambure, waya fenzi mambure. Iyo seti yekuchengetedza, yakanaka, kuchengetedzwa kwezvakatipoteredza, inoshanda mune imwe nyowani mhando yefenzi mambure. Waya pajira riya zvinhu zviri welded pamwe yepamusoro kabhoni simbi waya, kupatsanura ne pamusoro kurapwa: dema waya protectiv ...Verenga zvimwe
