1. Mphamvu
Tepi ya ulusi ingagwiritsidwe ntchito m'malo mwa chitsulo, ili ndi ubwino wambiri kuposa chitsulo. Lamba wa ulusi umayamwa kugwedezeka panthawi yonyamula,
motero kuonetsetsa kuti palibe kugwedezeka kwakukulu pamayendedwe ataliatali.
2. Kutentha ndi nyengo yogwiritsidwa ntchito
Tepi ya ulusi siichita dzimbiri, ndipo imatha kupirira kutentha kwambiri (ingagwire ntchito bwino pansi pa 140-2000C). Chifukwa chake kugwiritsa ntchito ulusi kudzachita
osakhudzidwa ndi chilengedwe.
3. Chitetezo
Tepi ya ulusi ndi yopepuka komanso yosavuta kugwiritsa ntchito kuposa chingwe chachitsulo chomwechi. Ulusi ndi wotchuka kwa makasitomala ndi ogwiritsa ntchito
chifukwa sagwiritsa ntchito chitsulo popakira, nthawi zambiri amakanda antchito.
4. Kuteteza chilengedwe
Ulusi ukhoza kubwezeretsedwanso monga momwe mapulasitiki ambiri amachitira. N'zosavuta kugwiritsa ntchito, sizichitika.
5. Kuchita bwino kwambiri
















