Tidzadaliranso kafukufuku wa sayansi ndi zamakono ndi chitukuko cha zinthu zatsopano, ntchito zatsopano. Kwa makasitomala monga likulu, mosalekeza kusintha mankhwala, kusintha khalidwe la pambuyo-malonda utumiki, kutenga nawo mbali mu mpikisano msika, mofulumira, imayenera pambuyo malonda ntchito utumiki, chaka chonse kupereka zida zopuma, moyo wonse kupereka utumiki wapamwamba, kukwaniritsa zosowa za ogwiritsa ntchito apakhomo ndi akunja.