Grvnes muab tso pa tawm cov kev daws teeb meem rau lub xov tooj ntawm tes, tsau lossis off-txoj kev cav hauv ntau hom kev lag luam, suav nrog:
Kev tsim hluav taws xob / Mining / Kev tsim kho / Rail
Grvnes muab tso pa tawm cov kev daws teeb meem rau lub xov tooj ntawm tes, tsau lossis off-txoj kev cav hauv ntau hom kev lag luam, suav nrog:
Kev tsim hluav taws xob / Mining / Kev tsim kho / Rail