Chitsanzo ichi chopukusira ndi oyenera ntchito akupera mitundu yambiri ya zitsanzo ndi zimakhala. Kugwira ntchito yowonetsera mawonekedwe, osavuta komanso omasuka.Kuthamanga kwakukulu kozungulira, pangani kusintha kosintha kwathunthu ndikusunga nthawi. Zoyenera pa biology, chemistry, pharmacy, minerals, mankhwala ndi madera ena oyesera asanalandire chithandizo.