3 technical enginners nrog 8 xyoo kev lag luam kev paub thiab 1 tus kws tshaj lij engineers nrog 16 xyoo kev paub. Tag nrho cov khoom yog 100% tshuaj xyuas ua ntej xa khoom kom lav tag nrho cov khoom tuaj txog ntawm cov neeg siv khoom txaus siab.24 teev teb rau cov neeg siv khoom thov.