InCov ntsiab lus ntawm rebar, qhov ntim ntawm cov khoom siv hauv tsev nyob rau hnub ua lag luam dhau los yog 182700 tons, nce ntawm

17.2% nyob rau lub hli. Lub lim tiam dhau los, cov khoom siv thiab kev thov ntawm rebar tau nce ntxiv. Txawm hais tias qhov kev thov rov qab muaj zog dua

dua li cov khoom siv thiab cov khoom muag tag nrho mus rau lub tsev khaws khoom dua, qhov kev cia siab ntawm kev nruj ntxiv rau

ntau lawm.

Incov ntsiab lus ntawm cov hlau ore, qhov ntim ntawm qhov chaw nres nkoj nyob rau hnub ua lag luam yav dhau los yog 720000 tons, ib hlis rau ib hlis

txo 33%. Cov khoom xa tuaj los ntawm Australia thiab Pakistan tau poob ib txhij nrog cov khoom tuaj txog; Qhov chaw nres nkoj

Cov khoom lag luam yog qhov yooj yim, kev tshem tawm ntawm cov hlau mills qeeb, tus nqi ntawm cov mines zoo txuas ntxiv mus

poob qis, cov qauv kev tsis sib haum xeeb tseem tab tom txo qis, qhov nce ntxiv ntawm cov hlau molten txhua hnub thiab txo qhov tuaj txog hauv.

Lub caij xav tau siab tshaj plaws tab tom los, tab sis cov khoom tsim tawm tau ntsib qhov txo qis.

Peb muaj cov khoom muag txaus. Zoo siab txais tos rau kev sab laj.

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