Kubera ko imiti yica udukoko ikoreshwa cyane mu buhinzi bwa kijyambere, imiti yica udukoko nyuma yo kumera yabaye igikoresho cy'ingenzi mu kurwanya ibyatsi bibi mu mirima y'ingano n'ibigori. Ariko, ibintu nk'igihe cyo kuyikoresha, imiterere y'ibidukikije, ingano y'imiti yica udukoko, n'uko imyaka ikura byagize uruhare mu kwiyongera kw'ingaruka mbi z'imiti yica udukoko. Cyane cyane iyo hari imimerere mibi nk'ubushyuhe buke, amapfa, cyangwa ubushyuhe bwinshi, kugabanuka k'imikorere y'imiti mu bihingwa bituma ibimera birushaho kwibasirwa n'imiti ihumanya, bigatuma amababi ahinduka umuhondo, gukura buhoro, imizi igabanuka, ndetse no gutakaza umusaruro mu bihe bikomeye.