Ua ib lub chaw tsim khoom siv teeb pom kev zoo galvanized, peb muaj ntau xyoo ntawm kev paub txog kev tsim khoom, kev nqis peev tas mus li hauv cov thev naus laus zis thiab cov txheej txheem siab heev, cov khoom ruaj khov, kev sim ua tib zoo, thiab kev lees paub zoo, thiab cog lus tias yuav muab cov kev daws teeb meem uas tshaj qhov kev cia siab.