Hauj lwm lawm
Kev tsis
Thaum muaj cov kev tshwj xeeb rau kev tsim khoom, kev thauj khoom ntawm cov qauv hluav taws xob, thiab ua ke} Cov qauv sib xyaw ua ke yog superimpos thiab qhov txhab ntawm ntug kom txog thaum lub taub hau yog mus txog . Tom qab ntawd, cov txheej txheem sib npaug ntawm kev ua kom rov zoo, uas tuaj yeem ua tiav qhov kev sib tw ntawm cov cua sov kaw qhov chaw, nrog rau qhov muaj peev xwm los hloov cov pob zeb tsis nco qab ntawm-site {}}
