Sandunan siginar zirga-zirgar ababen hawa wani muhimmin bangare ne na ababen more rayuwa na hanyoyin mota, suna samar da hanyar nuna sigina da alamomi don daidaita zirga-zirgar ababen hawa da tabbatar da tsaron masu tafiya a kasa.Wadannan sanduna suna zuwa da siffofi daban-daban, ciki har da octagonal, cylindrical, da conical, kowanne da nasa ...
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