 Naho uwikekwa atoba yemeye amakosa, igihe abakora itohoza bakoze akazi kabo neza bagafata amakanda, bagakoresha amafoto canke uburyo bwa ADN, bagakoresha ivyabona, canke ubundi buhinga, canke bagakoresha imbwa nibindi, inkozizikibi zirashobora kwagigwa. 