Cov neeg qhua hauv Indonesia kuaj lawv kev rub nyob rau 6 th. Sep.
Cov ntsiab lus no yog hom hluav taws xob hoist, thiab siv rau kov cov xuab zeb, Cement clinker.
Neeg tau txaus siab heev rau peb cov khoom thiab kev pabcuam. Thiab nug ntau lwm cov khoom.
Neeg sib tham cov cabling system rau lub laub
Ntsuam xyuas txoj haujlwm ua haujlwm
