Umugozi wubutaka, uzwi kandi kwizina ryo gukingira inkuba, bivuga insinga ikoreshwa mugutangiza amashanyarazi mubutaka. Iyo ibikoresho by'amashanyarazi bimenetse, umuyoboro winjira mu butaka unyuze mu nsinga z'ubutaka, ibikoresho by'amashanyarazi menshi bikenera kwitabwaho bidasanzwe.
Igikorwa cyayo nukwinjiza vuba mumashanyarazi binyuze mumigozi yubutaka mugihe ibikoresho byawe byamashanyarazi bitemba cyangwa kwishyuza induction, kugirango igiceri cyibikoresho kitagikoreshwa, kirinda umutekano w abakozi nibikoresho.