Yuav Ua Li Cas Tau Txais Qhov Zoo

1. Thaum txiav ntoo, lub duav uas tsis zoo yuav feem ntau curl cov hniav thaum txiav cov khoom. Hom shovel no feem ntau yog ua los ntawm cov khoom tsis zoo.
2. Saib ntawm qhov sib txuas, seb qhov cuam tshuam ntawm lub duav thiab tus kov yog qhov ruaj khov, cuam tshuam rau viav vias duav, lub duav taub hau tsis co.
3. Saib qhov tsim nyog ntawm cov neeg tsim khoom shovel. Feem ntau, cov chaw ua haujlwm shovel tsis tu ncua tau ua txoj haujlwm zoo ntawm kev tswj cov khoom siv raw thiab cov khoom siv tes ua haujlwm. Ntau cov shovels los ntawm qhov sib npaug ntawm cov kev cob qhia me me, thiab qhov zoo ntawm shovels tsis tuaj yeem lav.