Chav ntxuav khoom siv kho mob feem ntau yog siv rau hauv cov koob txhaj tshuaj, lub hnab txhaj tshuaj, cov khoom siv kho mob pov tseg, thiab lwm yam. Chav ntxuav huv yog lub hauv paus los xyuas kom meej tias cov khoom siv kho mob zoo. Qhov tseem ceeb yog tswj cov txheej txheem tsim khoom kom tsis txhob muaj kuab paug thiab tsim khoom raws li kev cai thiab tus qauv. Yuav tsum ua kev tsim chav huv raws li cov kev cai ib puag ncig thiab saib xyuas tsis tu ncua kom paub tseeb tias chav huv tuaj yeem ua tau raws li qhov xav tau tsim thiab siv.
Piv txwv li, siv ib chav huv ntawm peb cov khoom siv kho mob. (Ireland, 1500m2, ISO 7+8)
