ʻO ka mea mua, i ka holomua ʻana o nā ʻenehana hana ʻōwili, ua kūkulu ʻia ka mīkini w beam highway guardrail roll forming machine e hana i nā pale mai ke kila galvanized o 482mm ākea a me 2-4mm mānoanoa.Hoʻokomo ka poʻe i nā kiaʻi ma ke ʻano he ʻāpana palekana ma ke alanui a i ʻole ʻelua ʻaoʻao o ke ala nui a i ʻole ke ala ākea.A laila, ʻokoʻa nā ʻāina like ʻole no nā kaʻa kiaʻi kiʻekiʻe, akā naʻe, ʻo nā hoʻololi liʻiliʻi wale nō ma nā ʻano a i ʻole nā mea kikoʻī e hōʻike ana, no laila, ʻo nā 2 wave a i ʻole w beam highway guardrail roll forming machines loaʻa nā hana like, a me ke kaʻina hana.
Hoʻohana ʻia kēia mīkini no ka kuʻi ʻana, hana a ʻokiʻoki i ke alaloa guardrail corrugated plate, i hoʻohana nui ʻia i ke alahaka, ke kūkulu ʻana i ke alaloa, Power Culvert, ke alaloa culvert, ke kūkulu ʻana i nā mea hana a me nā mea ʻē aʻe. ka poho o na ulia kaa.He mea koʻikoʻi nā pale ulia a i ʻole nā ala kiaʻi ala nui e hoʻohana ai kēlā me kēia ʻāina i ke kūkulu ʻana i ke alaloa.No laila, pono ka manawa e ʻike ai i kahi mīkini hana guardrail guardrail.
