Peb paub zoo tias yog ib qho ntawm cov ua lag luam taper laum steels rods tuam ntxhab thiab cov muag khoom hauv Suav teb. Thov koj xav tias dawb mus yuav qhov zoo tshaj plaws taper laum steels rods ntawm tus nqi sib tw los ntawm peb lub hoobkas. Muaj kev pabcuam zoo thiab xa tuaj raws sijhawm.