Labaran Masana'antu
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Nauyin Babban Hanyar Guardtrail Na Ƙirar Ƙafa ɗaya
Nauyin matakan tsaro na babbar hanya a kowace ƙafa yana ƙayyade farashin guardrail.Babban ƙayyadaddun matakan tsaro na babbar hanya ya bambanta, don haka nauyin gadin babbar hanyar kowace ƙafa ya bambanta.Ana ƙididdige nauyin ma'aunin titin babbar hanya ta kowace ƙafa ta hanyar rarraba nauyin layin gadin babbar hanya da tsayin duka, sannan mult...Kara karantawa
