Hloov koj cov cim hom ua kev paub sib tham nrog peb cov cim kev cai 8 xees 8} {}} Cov ntiv tes .}-tus phooj ywg kev cai pulp kos pulp urp prafted prafties tau nqa cov dab neeg hom mus rau lub neej.
Cov lus zais cia hauv peb cov cuab yeej siv hluav taws xob uas muaj kev sib tw zoo nkauj, nrog rau cov xim zoo nkauj, nrog rau cov ntxhiab tsw zoo nkauj .
Tom qab kev ua yeeb yam txuj ci xaus xaus, cov ntawv tsim nyog 2} Lub pob ua yeeb yam zoo li ua rau cov menyuam yaus ua yeeb yam zoo li cov khoom ua si
Peb cov txheej txheem kev ua kom ua kom ntseeg tau txhua qhov kev cai ib puag ncig ntawm 35}} Cov menyuam yaus kev sib tw tau rov qab ua ke nyob rau hauv lub tsev nyob hauv 45 hnub uas txhua tus vaj huam sib luag kev cog lus rau lub ntiaj chaw .
Cov txheej txheem coly cololization yog yooj yim: Qhia tawm koj cov neeg tsim qauv 27-10}} {1} .
