Kev ceev faj rau kev siv ntaiv

1. Ntawm qhov chaw ntawm tus ntaiv: Cov ntaiv dav dav yog nqaim nyob rau sab saum toj thiab dav hauv qab, yog li thov tig qhov nqaim kawg thaum siv nws; Tsim ib tug ruaj khov daim duab peb sab. Feem ntau hais lus, lub kaum sab xis ntawm tus ntaiv thiab hauv av yuav tsum tsis pub tshaj 65 degrees; Nyob rau tib lub sijhawm, xyuam xim rau qhov chaw txhawb nqa ntawm qhov qis kawg ntawm tus ntaiv yuav tsum muaj kev sib txhuam txaus, thiab tsis txhob muab qhov qis kawg ntawm tus ntaiv rau ntawm cov xuab zeb. Qhov chaw los so.

2. Hauv kev nce toj: qhov nruab nrab ntawm lub ntiajteb txawj nqus ntawm lub cev yuav tsum nyob ze rau ntawm tus ntaiv li qhov ua tau, leaning kom nce siab, feem ntau hais lus, koj yuav tsum tuav cov kab ntawm ob sab ntawm tus ntaiv nrog koj txhais tes kom ruaj khov. qhov chaw ntawm lub ntiajteb txawj nqus ntawm lub cev ruaj khov. Nce tusyees.