1. Cov tsos ntawm lub raj yog qhov tseem ceeb heev. Ib yam li thaum peb feem ntau yuav khaub ncaws thiab khau, muaj ntau cov xov thiab kev ua haujlwm yuav tsum ntxhib. Tib yam muaj tseeb rau cov kav dej PP, yog tias qhov zoo li ntxhib, qhov tsis zoo, xim tsis raug, tsis sib xws, cov khoom lag luam thiab hom luam ntawv tsis tiav, lossis cov ntawv luam tawm tsis zoo, nws raug nquahu kom tsis txhob siv. Txawm hais tias nws tsis tuaj yeem hais tias cov raj zoo li no yog cuav, nws yog qhov nyuaj rau kev lees paub tsawg kawg ntawm qhov zoo.
2. Vim yog cov khoom siv yooj yim ntawm cov khoom yas, lawv muaj qee yam tsis hnov tsw, yog li cov yeeb nkab PP yuav tsum tsis hnov tsw. Qee tus kws tshaj lij nrhiav nyiaj txiag siv cov khoom siv rov ua dua lossis cov tshuaj tsis zoo uas tsim cov ntxhiab tsw ntau. Xws li cov khoom yas yuav tsum yog cov khoom lag luam qis, thiab muaj ntau yam kev phom sij zais hauv kev siv tom qab, yog li lawv yuav tsum tsis txhob siv.
3. Kov cov khoom PP tiag tiag nrog koj tus kheej tes. Qee cov xim muaj xim ntxiv rau kev tsim cov kav dej PP, thiab cov xim ntawm PP kav yog ci thiab dazzling. Thaum ntsib cov kav dej PP nrog cov xim uas tsis yog cov khoom siv, koj tuaj yeem siv lub pob paj rwb uas nqus dej nrog me ntsis vinegar, so nws rov qab thiab tawm, thiab so nws ob peb zaug. Yog tias cov xim ploj, cov khoom no tsis pom zoo.