Cov yeeb nkab yas ntau yuav ib txwm muaj qee qhov kev ua haujlwm me me rau kev ua haujlwm zoo tshaj plaws, thaum peb yuav tsum tau saib xyuas lub sijhawm zoo tshaj plaws
1. Nws yog ib qho tsim nyog los ntsuas seb cov khoom lag luam yas ua kom nruj, ib qho kev sib tw ua kom nruj, ib qho kev sib tw, ib lub tshuab ua haujlwm, ib lub tshuab cua txias, cov tshuab winding, tshuab winding, tshuab ntxhua khaub ncaws.
{2.}}} Tsis txhob raug kho kom muaj kev nyab xeeb rau kev ua haujlwm zoo rau cov kab kev nyab xeeb uas tau hloov kho ntawm tag nrho cov kab ntau lawm.
3.}} Tsis txhob saib xyuas cov roj av, thiab siv cov roj av ib txwm muaj, thiab tsis zoo}}}} cov yeeb nkab pem teb, cov yeeb nkab pem teb, cov yeeb nkab composite, nws txhais tau tias muaj cov roj ntsha me me, nws yog cov hmoov av me me, nws yog cov hmoov av me me, nws yog cov hmoov av tsis zoo rau hauv, thiab nws yuav tsum tau lim lossis hloov .
4. thaum lub sij hawm saib xyuas kev ua haujlwm, kev hloov pauv, ib qho kev sib tw, ib qho kev sib tw, ib qho kev sib tw, ib qho kev sib tw, ib qho kev sib tw, ib qho kev hloov pauv yas, thiab cov khoom siv cua tshuab ntxhua khaub ncaws, thiab cov khoom siv cua tshuab ntxhua khaub ncaws Kab .
