1, daim kab xev yuav tsum muab cia rau hauv lub tsev rau khoom, zam lub hnub, nag; Txwv tsis pub sib cuag nrog kua qaub, alkali, roj thiab cov kuab tshuaj organic, ua kom huv thiab qhuav, 1m deb ntawm cov cuab yeej tshawb pom, chav sov ntawm -15 ℃ ~ 40 ℃.
2, daim kab xev yuav tsum tau muab tso rau hauv yob, tsis khawm, lub sijhawm khaws cia ntev dhau yuav tsum tau tig ib zaug ib lub hlis twg.
3. Tsis txhob ua daim kab xev nab lossis nkag, ua kom cov menyuam rub, cov menyuam ntsug yooj ywm, qhov nruj yuav tsum yog me ntsis.
4. Yog tias daim kab xev nplaum pom muaj kev puas tsuaj thaum ntxov, yuav tsum nrhiav qhov laj thawj thiab kho lub sijhawm kom tsis txhob muaj kev phom sij.
