Ngwunye oghere na-atọ ụtọ nke ọma, eriri okirikiri dị larịị, eri ziri ezi dị elu, nkọwapụta eri M6 ruo M64.Eyelet bolt n'elu ọgwụgwọ: galvanizing, plating, plating na-acha ọcha, agba plating dị ka anticorrosive jikoro Ngwa oru ngo: nzacha ụdị onwe nnapụta, gas nchọpụta ngwá, uzuzu uzuzu, ore Ngwuputa raincoat, blasting ngwaọrụ, ngwa nkọwa: eyelet bolt na ọtụtụ-eji na : obere okpomọkụ valvụ elu nrụgide, ọkpọkọ nrụgide, injinia mmiri, akụrụngwa na-egwupụta mmanụ, akụrụngwa ubi mmanụ, na mpaghara ndị ọzọ,