Nws yog dav siv thiab tuaj yeem tsim cov nyhuv zoo heev rau ntawm qhov chaw du.
Txau - xim kho kom zoo nkauj kom nkag siab txog kev siv peb hom tshuaj tsuag xim tuaj yeem siv cov khoom lag luam tuaj yeem siv tau yooj yim rau kev saib xyuas thiab kev siv me me, kev siv tshuaj tsuag phom yog tsim nyog rau kev tsim cov kov loj, tab sis ob txoj kev txau rau qhov tseeb ntawm kev khiav haujlwm, thiab tuaj yeem tsim tus duab ntxoov ntxoo (qhov qis dua ntawm feem tsis tau them nrog peb xim thaiv).
Tsis siv neeg ntxhua khaub ncaws - dip txheej tuaj yeem ua kom tiav txheej txheej, thiab yuav tsis ua kom tawg txau ntau dhau los ntawm cov khoom pov tseg.
Xaiv cov txheej xim - txheej txheej yog qhov tseeb thiab tsis muaj cov khoom pov tseg, tsim nyog rau ntau txheej, tab sis cov khoom siv rau txheej yuav tsum ntau dua. Feem ntau haum rau cov ntau ntawm cov khoom siv ntawm mulch. Siv cov lus suav ua XY los txo daim npog ntsej muag. PCB pawg thawj coj xim, muaj ntau cov txuas txuas tsis tas yuav pleev xim. Cov ntawv nplaum tau qeeb qeeb thiab kua muag thaum muaj cov kua nplaum ntau dhau lawm, koj tuaj yeem xav txog cov duab, qhov loj me, qhov chaw ntawm lub txuas, ua lub hau npog, nrog rau cov chaw teeb tsa.
