Loj Loj Tsis Muaj Cov Qauv Teb Cov Quav Cov Quav Teb Rau Cov Mine Zeb Rau Cov Cement Hauv Xov Tooj Cua

Yogie teb nruas / teb cov menyuam rau mine zeb rau xis mas yog siv rau   teb kiln kev tsim cov tshuab, cov khoom siv hauv tsev, hlau, kev lag luam, tshuaj cement . Nws muaj peev xwm txias slag, limestone, thee av nplaum, zoo tshuaj, thiab lwm yam . Nws kuj tseem siv tau rau cov chiv ntau lawm.