Kaum lub tuam txhab saum toj kawg nkaus hauv Suav teb, nruab nrog 1200 tus neeg ua haujlwm, tau txais tag nrho 31 qhov kev tsim kho tshiab thiab 9 daim ntawv pov thawj. Cov khoom siv tsim khoom siab heev, cov khoom siv kho cua sov, cov khoom siv tshuaj xyuas. Txhua yam txheej txheem los ntawm cov khoom siv raw mus rau qhov tiav tau ua tiav hauv tsev, pab pawg engineering muaj zog thiab pab pawg zoo kom ua tau raws li thiab dhau qhov xav tau ntawm cov neeg siv khoom.