ʻO ka bumper kahi mea palekana e hoʻopau ai a hoʻopau i ka hopena o waho a pale i ka mua a me ke kua o ke kino o ke kaʻa. Iwakālua makahiki i hala aku nei,ʻo ka mua o mua a me ka hope o nā kaʻa o nā kaʻa i hana nuiʻia i nā kumu metala. Ua hoʻopaʻaʻia lākou i loko o ka u-channel kila me kahi mānoanoa o nā meaʻoi aku ma mua o 3mm. Ua mālamaʻia ka maka me ka chrome a hui pūʻia a hui pūʻia a iʻole a hui pūʻia me keʻano o keʻano. Me ka hoʻomohalaʻana o kaʻoihana kaʻa,ʻo ka pahu kaʻa kaʻa e like me ka mea palekana palekana eʻoi aku ma ke ala o ka hana hou. ʻO ke kaʻa kaʻa o kēia lā a me nā pahu hope i ka hoʻohuiʻana i ka hana pale mua, akāʻo kaʻimiʻana i keʻano o ke kino. No ka hoʻokōʻana i kēia kumu,ʻo ka mua o nā kaʻa a me ka hope o nā kaʻa i hanaʻia i ka plastics, iʻikeʻia e like me nā bumpers plastic. ʻO ka pahu pākīkī e hui pūʻia anaʻekolu mau'āpana, e like me ka papa o waho, keʻano cushioning a me ka beam. ʻO ka pā o waho a me nā mea e hoʻopiliʻia ai ka paila, a hanaʻia ka beam o ke anuanu me kahi mānoanoa o kahi 1.5 Hoʻopiliʻia ka pā waho a me nā mea cushioning i ka beam, e hoʻopiliʻia ana i ke kāʻei rail screw a hiki ke laweʻia i kēlā me kēia manawa. Hoʻohana kēiaʻano o ka bumper plastic i ka plastics, hoʻohanaʻo baratically i nā kiʻi polyester a me polyproopyleneʻano maʻamau. Aia nō kahiʻano o ka palaniʻo Poycarbon, infilt i loko o ka hoʻohuiʻana o ka hoʻohuiʻana, akā he nui nā mea e hoʻopiʻi nui ana. He ikaika ka ikaika o ka bumpper, ka hoʻonani a me ka hoʻonani, hiki i ke kino o ke kaʻa, ua hui pūʻia keʻano o ke kino, e pale i ke kino
