Kev soj ntsuam deb

1. Cov kav hlau txais xov tooj cua muaj cov yam ntxwv ntawm cov zaus dav dav, qhov nce siab thiab cov sab qis, thiab siv dav hauv cov chaw taws teeb pom kev deb.

2. Lub tshuab ua kom nrov qis kuj yog ib qho khoom siv dav dav hauv kev tshawb nrhiav chaw deb. Vim tias cov teeb liab tshawb nrhiav chaw deb feem ntau tsis muaj zog, kev ua kom nrov thiab nce ntawm cov tshuab ua kom nrov qis yog qhov yuav tsum tau ua kom zoo dua qhov zoo ntawm cov teeb liab thiab kev rhiab heev.

3. Kev sib xyaw ua ke ntawm lub kav hlau txais xov tooj cua thiab lub tshuab ua kom nrov qis tuaj yeem txhim kho kev sau thiab xa cov ntaub ntawv chaw taws teeb, txhim kho qhov zoo thiab kev nkag siab ntawm cov ntaub ntawv, thiab ua tau raws li qhov xav tau ntawm ntau yam kev siv chaw taws teeb.