Peb cov cuab yeej suab paj nruag sab nraum zoov yog tus nqi pheej yig.

Nov yog qhov chaw ntaus suab paj nruag tshiab tshaj plaws rau menyuam yaus hnub nyoog 3-5. Cov khoom siv feem ntau yog cov ntoo zoo nrog cov xim ib puag ncig thiab cov yeeb nkab tsis xeb hlau.

Cov twj paj nruag sab nraum zoov ntoo tsim los ntawm cov txheej txheem thoob ntiaj teb xws li CE, SGS, ISO thiab ntau dua.

SPIRIT yog cov chaw tsim khoom ua si suab paj nruag tshaj 20 xyoo.

Lub sijhawm xa khoom ntawm txhua lub suab paj nruas sab nraum zoov yog nrawm heev, ob peb cov khoom rau cov qauv xaj thiab 10 hnub rau kev txiav txim dav dav ntawm tag nrho cov thawv ntim.