Zofunikira za njerwa zophatikizika zikuwoneka bwino kwambiri, osati pokhapokha ngati zamkati mwake {{1} ndizogwiritsidwa ntchito kwambiri dongo ndi zotere, koma zofunikira zotsatirazi ziyenera kukwaniritsidwa kuti zitsimikizidwe kuti:
1. kapangidwe kake ka njerwa zophatikizira ziyenera kukwaniritsa zofunikazo, ndipo ziyenera kukhala zapamwamba kuposa zomwe zimapangidwira.
2. njira yotsatsira yopukutira yomwe imagwiritsidwa ntchito popanga njerwa zosinthidwa, zomwe zimafuna kuti zolembedwazo zizikhala ndi katundu wokwanira, chifukwa chake zomangira ziyenera kuphatikizidwa ndi zosakaniza;
3. pomwe zopangira zimakhala ndi zosakaniza ndi zosakaniza, padzakhala kuyankhana pakati pa kapangidwe kake ka mankhwala opangira zipatso, {1}
Zosakaniza za njerwa zodzitchinjiriza zili ndi zofunikira mokwanira malinga ndi zizindikiro, zosakaniza, zolembedwa, etch}, ndiye kuti zimatheka bwanji? Gawo la chifukwa chake limagwirizananso ndi zosakaniza zake kukumana ndi zofunikira {{1}
