Chenjerani: Musagwiritse ntchito gulaye zowonongeka.
2. Panthawi yokweza, musapotoze kapena kupotoza gulaye.
4. Pewani akalulu kung'amba malo osokera kapena kudzaza ntchito.
5. Posuntha gulaye, musamakokere.
6. Pewani katundu wamphamvu kapena wonjenjemera.
7. Legeni iliyonse iyenera kuyang'aniridwa musanagwiritse ntchito.
8. Nayiloni imakhala ndi kukana kwa asidi, koma imatha kuwonongeka ndi organic acid.
9. Yoyenera kugwiritsidwa ntchito m'malo omwe samva mankhwala.
10 Nayiloni imatha kupirira ma inorganic acid ndipo imatha kuwonongeka ndi ma organic acid.
11. Nayiloni imatha kutaya mpaka 15% ya mphamvu yake ikakhudzidwa.
12. Ngati kuyimitsidwa kumagwiritsidwa ntchito panthawi yomwe kungaipitsidwe ndi mankhwala kapena kutentha kwakukulu, kuyenera kufunidwa kuchokera kwa wogulitsa.
Gola lathyathyathya ndi mtundu wa gulaye wokweza wokhala ndi mawonekedwe otambalala komanso osalala, nthawi zambiri amapangidwa ndi ulusi wamphamvu kwambiri. Ili ndi mitundu ingapo yamagwiritsidwe, makamaka kuphatikiza izi: