Kumamatira bwino kwambiri, kusinthasintha, komanso kukana kukwawa.
Kukana kugwedezeka ndi zinthu zina zakuthupi.
Kukana madzi bwino, kukana mafuta, kukana zosungunulira, kukana asidi, kukana alkali.
Kukana madzi, kukana nthunzi ya mchere komanso kukana dzimbiri.
Kukana dzimbiri kwambiri komanso kumatenga nthawi yayitali.
Zamagetsi, zamagetsi ang'onoang'ono, zolumikizirana, makompyuta, fakitale yayikulu ya zida zolondola; nsalu, kusindikiza, ufa, mankhwala, zosungunulira zachilengedwe, gasi, ndi zina zotero; zipolopolo za malo, ufa wa mfuti ndi malo enamukufuna makoma a fakitale, pansi ndi matanki osungiramo zinthu.
| Chinthu | Deta | |
| Mtundu ndi mawonekedwe a filimu yopaka utoto | utoto ndi filimu yosalala | |
| Nthawi Youma, 25 ℃ | Pamwamba pauma, h | ≤4 |
| Kuuma Kolimba, h | ≤24 | |
| Mphamvu yokoka, Mpa | ≥9 | |
| Mphamvu yopindika, Mpa | ≥7 | |
| Mphamvu yokakamiza, Mpa | ≥85 | |
| Kulimba kwa Gombe / (D) | ≥70 | |
| Kukana kuvala, 750g/500r | ≤0.02 | |
| 60% h2SO4, kukana, masiku 30 | Lolani kusintha pang'ono mtundu | |
| 25% NaOH, kukana, masiku 30 | Palibe kusintha | |
| 3% NaCL, kukana, masiku 30 | Palibe kusintha | |
| Mphamvu yolumikizirana, Mpa | ≥2 | |
| Kukana pamwamba, Ω | 105-109 | |
| Kukana kwa voliyumu, Ω | 105-109 | |
Chotsani mafuta onse oipitsa pamwamba pa simenti, yeretsani mchenga ndi fumbi, chinyezi ndi zina zotero, kuti muwonetsetse kuti pamwamba pake pali posalala, paukhondo, palimba, pouma, pasakhale thovu, pasakhale mchenga, pasakhale ming'alu, pasakhale mafuta. Madzi sayenera kupitirira 6%, pH siipitirira 10. Mphamvu ya simenti siipitirira C20.
Kutentha kwa pansi pa nthaka sikochepera 5℃, ndipo osachepera 3℃ kuposa kutentha kwa mpweya wa dengu, chinyezi chiyenera kukhala chochepera 85% (chiyenera kuyezedwa pafupi ndi zinthu zoyambira), chifunga, mvula, chipale chofewa, mphepo ndi mvula ndizoletsedwa kwambiri kumanga.
1, Sungani pamalo ozizira komanso ouma, pamalo ozizira komanso padzuwa, kutentha kwambiri kapena pamalo onyowa kwambiri.
2, Gwiritsani ntchito mwachangu momwe mungathere mukatsegula. N'koletsedwa kwambiri kuiika mlengalenga kwa nthawi yayitali mutatsegula kuti musakhudze ubwino wa zinthuzo. Nthawi yosungiramo zinthu ndi miyezi isanu ndi umodzi kutentha kwa chipinda cha 25°C.