Lub lim tiam dhau los (Lub Cuaj Hli 22-September 24) cov khoom lag luam steel hauv tsev txuas ntxiv poob qis. Kev cuam tshuam los ntawm kev tsis ua raws li kev siv hluav taws xob hauv qee lub xeev thiab lub nroog, qhov kev ua haujlwm ntawm cov tshuab hluav taws xob thiab cov hluav taws xob tau poob qis, thiab cov nqi hluav taws xob hauv tsev lag luam txuas ntxiv mus. Nyob rau hauv tas li ntawd, kev tsim kho steel thiab cov qauv hlau txuas ntxiv nce siab, thiab cov nqi ntawm ntau hom steel phaj tseem tsis muaj zog. Qhov sib txawv ntawm cov khoom siv raw thiab cov roj sib txawv, tus nqi ntawm cov ore tuaj txawv teb chaws poob thiab rov qab los, tus nqi ntawm cov khoom siv hauv tsev poob qis heev, tus nqi ntawm cov steel billet txuas ntxiv poob, tus nqi ntawm cov seem steel tseem ruaj khov, thiab tus nqi ntawm cov thee. coke yeej ruaj khov.