Ikholomu yesitimela sonogada
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Ikholomu yesitimela sonogada kanye nensika yebhodi locingo lomgwaqo omkhulu
Ikholomu yepuleti le-Guardrail uhlobo lwekholomu enamandla aphezulu, insimbi enhle, ukubukeka okuhle, umbono obanzi, ukufakwa okulula okunokumelana nokugqwala, ukumelana nelanga lokushisa eliphezulu, umbala okhanyayo kanye nesikhathi sokusetshenziswa okukhanyayo isikhathi eside, okuzosetshenziselwa umgwaqo omkhulu, isitimela, ibhuloho ezinhlangothini zombili zokuvikela.