Tidzafotokozera momveka bwino ubwino ndi kuipa kwa chinthu chilichonse ndi ntchito zake kuchokera kuzinthu zitatu: mtengo, mphamvu yonyamula katundu, ndi maonekedwe.Zowonongeka zimaphatikizapo ndalama zatsopano zopangira mankhwala ndi mtengo wa mankhwala.