Iphaneli yeSandwich iwuhlobo lothango lwendawo yokwakha, olusetshenziselwa uthango lokwakhiwa komgwaqo, ukulungiswa kwengqalasizinda kanye nezinye izinsiza zokuvikela.Uhlaka lwe-steel guardrail luzinzile, luqinile, lusebenza kakhulu kune- guardrail evamile.Ngoba ifreyimu yenziwe nge-ed steel, ikhwalithi...
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