Inyubako ifite ingano zitandukanye, kandi izisanzwe ni izi: 21 * 41 / 41 * 41, 41 * 62, 41 * 82, n'izindi. Imashini imwe ishobora gukora ingano zitandukanye, ishobora gukoresha igishushanyo mbonera cyikora cyangwa igishushanyo cya kaseti cyangwa igahindura imigozi hakurikijwe shims.
Imiterere y’inyubako ikoreshwa cyane, ntabwo ikoreshwa cyane mu gushyigikira imirasire y’izuba gusa, ahubwo inakoreshwa no mu gushyigikira kurwanya imitingito, kubera imbaraga zayo nyinshi no kuyishyiraho byoroshye, yagiriwe inama n’inganda z’ubwubatsi kandi ikoreshwa cyane.