Khoom neeg tsim cov ntoo qhib ntoo
(ib qho STEM) (NQE LUS: 10'-50 ')
Taws tsob ntoo ntsuab muaj tsob ntoo yog tsim los ua cov nroj tsuag ntawm tsob ntoo ntsuab ntawm peb cov nplooj ntoo. Peb cov ntoo qhib cov ntoo hauv qab yog cov khoom siv tes ua kom hnav thiab rhuav ntawm cov chaw muag khoom muag.
Kev cai daig ntoo ntsuab tsob ntoo nrog tsob ntoo liab thiab lub caij nplooj zeeg ntoo nplooj ntoo kuj muaj thaum thov.
Cim npe nrov: tsob ntoo qhib ntoo, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, kho
