◆ Ti a lo jakejado ni gige irin alagbara, irin carbon, irin manganese, irin orisun omi, alloy titanium, dì galvanized, awo aluminiomu, idẹ, bàbà ati ohun elo irin miiran.
◆Iru giga-giga, gige ohun elo irin pataki.
◆Lo fun irin yika, square tube, L kshaped irin, H apẹrẹ irin, ati be be lo.