Usuku lweArbor yaseCalifornia (ngoMatshi 7-14, 2010) sele lukufutshane, kwaye ukuxhasa imibutho ebandakanyekayo ekutyalweni kwemithi kule holide, i-DriWater, Inc., iyakuvuyela ukunikela ngeemveliso zethu zamanzi ezikhulula ixesha. Kuba ezi zityalo zihlala zisekwe ngamavolontiya kwaye...