Cov khoom siv sab nraum zoov pub dawb sawv ntsug hauv cov chaw ua si rau tsev neeg ua si

Cov khoom siv pub dawb sawv ntsug yog tsim nyog rau chaw ua si loj.

Nov yog peb cov khoom siv dawb tshaj plaws sawv ntsug qhov project yees duab.

Muaj LED teeb tsa, nce toj, ib lub rooj viav vias, lub rooj pob tawb viav vias thiab caij caij caij nplooj ntoo hlav hauv txoj haujlwm no.

SPIRIT yog chaw ua si sab nraum zoov thiab chaw tsim khoom ua si sab hauv tsev hauv Suav teb.

Txhawm rau kom tau txais ntau yam khoom siv dawb sawv ntsug tsim, thov saib peb lub vev xaib.