Hlela lezi zikhali kusukela ezindala kunazo zonke kuya kwezisha kunazo zonke, ngokosuku ezakhiwa ngalo.  Inkemba Ibhomu Lenuzi Isikhonkwane Sesandla Isibhamu Sokudonsa Isibhamu
Umyalelo ofanele uwukuthi i-hand axe, inkemba, isibhamu, isibhamu sokudubula, ibhomu lenuzi.  I-hand axe iyisikhali seNkathi Yetshe esiye saba khona iminyaka engaphezu kwesigidi futhi saqala kudala ngaphambi kwe-homo sapiens. Izinkemba zokuqala zasungulwa cishe ngo - 3300 BC eYurophu ekuqaleni kweNkathi Yethusi. Kungenzeka ukuthi izibhamu zokuqala zasungulwa phakathi nekhulu le - 15, nakuba imvelaphi yazo engaziwa. Isibhamu i-Gatling sasungulwa ngo-1862 futhi saqala ukusetshenziswa empini phakathi nempi yombango yase-United States. Ibhomu lenuzi lasungulwa ngo-1945 njengengxenye yeManhattan Project.