Monga njira yothetsera magetsi opangira magetsi ndi mafakitale, Injet yakhala ikugwira ntchito zosiyanasiyana zamafakitale kwa nthawi yaitali, monga: mphamvu zoyera, kuteteza chilengedwe, kukonzekera zinthu, mankhwala apamwamba, makina otsekemera, gasi, mphamvu za nyukiliya, etc. .