Igishushanyo cya siyansi kizana imiterere yumvikana, yoroshye kandi yubuntu ireba igice mugihe imiyoboro myiza yurukiramende ikoreshwa kumurongo ikozwe neza kandi igateranyirizwa hamwe kugirango izane umutekano nigihe kirekire. Inzira yimodoka ikurikiza ihame rya ergonomique hamwe ninsinga zikwirakwizwa mubyuma bya tekinike bizana ihumure ryinshi n'umutekano.
Igitambaro kirinda neza abakoresha ibyapa biremereye kandi bikarushaho kongera umutekano mukoresha.Ibikoresho byohejuru-byanyuma bikoreshwa kumihuza bizana kugenda neza.Impapuro zateguwe neza zifite intoki zo murwego rwohejuru byorohereza abakoresha kwihata hanyuma bakazana kugenda neza.