Ubwa mbere, uko igenzura rihagaze, aho icyuma gifata ibyuma nyuma y'igihe gikoreshwa, hashobora kubaho ibibazo, bityo iyo gikoreshejwe, kugira ngo ugisuzume kenshi, ugomba kubanza kugisuzuma.
Icya kabiri, imikorere y'igenzura. Kugira ngo hamenyekane neza ko icyuma gifata fuse gifite ingaruka nziza ku ikoreshwa ryacyo, hari zimwe mu nshingano zacyo zigomba kugenzurwa.
Icya gatatu, ingano y'igicuruzwa ugomba kugenzura. Nyuma yo kugura icyuma gifata fuse, reba imiterere n'ingano yacyo kugira ngo urebe niba ingano yacyo ingana n'iyatanzwe ku ipaki yo hanze, kandi niba ingano idahuye, bizagira ingaruka ku ikoreshwa ry'igicuruzwa.
