Kev tshuaj xyuas nyob rau lub Rau Hli, sab qab teb Tuam Tshoj siv steel nqi raws li tag nrho pom qhov poob qis.Thaum pib ntawm lub hli, vim muaj kev txhim kho ntawm kev sib kis hauv tsev, kev xav thiab kev xav ntawm cov neeg koom nrog kev lag luam hauv cheeb tsam kuj tau txais ib qho kev txhawb nqa, cov nqi chaw tau rov qab los luv luv;Tom qab ntawd vim muaj kev cuam tshuam rau sab qab teb lub caij dej nyab, qhov kev khiav dej num qis qis qis, kev siv steel txuas ntxiv zuj zus, ua ke nrog Tsoom Fwv Teb Chaws Reserve cov paj laum nce siab tshaj qhov kev cia siab, kev ua lag luam kev xav tsis zoo, hauv keeb kwm yav dhau los ntawm ntau luv luv. cuam ​​tshuam, qhov chaw tus nqi poob nthuav dav.

Cov hlau khib nyiab, vim yog hlau ore, coking thee thiab lwm yam khoom siv raw cov nqi tsis muaj zog, seem steel nqi muaj qee yam luag;Ntxiv nrog rau tus nqi qis ntawm cov ntoo, ua rau nthuav dav ntawm cov txheej txheem luv luv ntawm cov hlau tsis zoo, nws qhov kev txiav cov khoom lag luam tau nthuav dav, cov khoom seem tau ua phem, tus nqi poob.Thaum Lub Xya Hli, ntawm ib sab, ntawm qib macro thoob ntiaj teb, Tsoom Fwv Teb Chaws Reserve tuaj yeem ua kom nrawm nrawm ntawm cov paj laum, thiab cov nqi khoom lag luam yuav nyob rau hauv siab.Ntawm qhov tod tes, nkag mus rau lub caij noj zaub mov tsawg, lub caij ntuj sov tuaj yeem txuas ntxiv inhibit qhov kev thov