Tus nqi ntawmkub yaj kua nplaumtsis yog qhov zoo dua, cov kua nplaum ntau dhau yuav cuam tshuam rau kev sib raug zoo.
Feem ntau, cov kua nplaum kub yaj yuav tsum tau txiav txim siab raws li qhov tshwm sim ntawm cov nplaum nplaum, qhov chaw saum npoo, cov txheej txheem sib txuas thiab lwm yam. Thaum txiav txim siab tus nqi ntawm cov kua nplaum, qhov kev ntsuam xyuas tuaj yeem ua tiav ua ntej thiab cov kua nplaum tuaj yeem hloov kho raws li qhov ntsuas tau.
Yog tias siv cov kua nplaum ntau dhau lawm, nws yuav ua rau kev kho ceev ntawm cov nplaum nplaum kub kom qeeb, thiab nws tseem yuav ua rau cov kua nplaum tuab ntxiv, yog li cuam tshuam rau daim ntawv cog lus lub zog thiab kav ntev. Tsis tas li ntawd, cov kua nplaum kub ntau dhau yuav ua rau tus nqi nce ntxiv thiab tuaj yeem ua rau muaj kuab paug rau ib puag ncig.
Yog li ntawd, thaum sivkub yaj kua nplaum, cov kua nplaum yuav tsum tau tswj kom tsim nyog raws li qhov xwm txheej tiag tiag kom ua tiav cov txiaj ntsig zoo tshaj plaws.