Urebye imikoreshereze y’umutungo no kurengera ibidukikije, amashanyarazi akoreshwa na gaze akoresha byimazeyo gaze gasanzwe cyangwa gaze yangiza nka lisansi, ihindura imyanda ubutunzi, imikorere itekanye kandi yoroshye, imikorere ihenze cyane, umwanda uhumanya ikirere, kandi ikwiranye nubushyuhe kandi kubyara amashanyarazi.
Muri icyo gihe, amashanyarazi akoreshwa na gaze nayo afite ibyiza byubwiza bwingufu nziza, imikorere myiza yo gutangira, umuvuduko mwinshi wo gutsinda, urusaku ruke no kunyeganyega, kandi gukoresha gaze yaka ni ingufu kandi zihendutse.