Lub hnab ntim tau hnyav tseem hu ua FFS hnab, thiab FFS zaj duab xis tau ua tiav cov txheej txheem txuas ntxiv thiab siv ua tiav hauv kev lag luam ntim khoom siv nrawm.
Ntim khoom muaj cov khoom lag luam ntim ntim cov khoom muag thiab ntim ntim ntim, engineering cov ntaub ntawv yas thiab lwm yam. Cov ntim ntawm cov khoom lag luam yog feem ntau ntim ntau, uas muaj cov txiaj ntsig zoo ntawm cov kev ua tau zoo, tsheb thauj khoom thiab teeb meem kev ua haujlwm.