X. n'ubushakashatsi bwa siyansi. Ikoreshwa cyane mubikoresho nk'abafana, isuku ya vacuum, intebe z'abamugaye, intwaro za robo zikoresha, imyitozo, amagare y'amashanyarazi, kugenzura sisitemu yo gufasha indege, hamwe n'ibikoresho by'igerageza, bitanga imbaraga zisabwa no kugenzura neza.