Bite ho mugihe amatara yamenetse?
Hariho ubwoko bubiri bwamatara yamenetse:
Imwe ni uko amatara atara. Impamvu zibitera ni:
Biterwa no kubaka nabi ibyuma.
Itara ryaka.
Ihuriro rirekuye cyangwa ryangiritse byongera imbaraga zo guhangana.
Ikindi nuko amatara adahari na gato. Impamvu zibitera ni:
1. Umuzunguruko w'amashanyarazi uragufi-uhujwe cyangwa uhujwe mbere yerekana icyerekezo.
2. Urugendo rwumutekano wamatara cyangwa gutwikwa.
3. Umuyoboro wa bimetallic uhuza urumuri ni mubi cyangwa ntibifunze
4. Guhindura ibipimo byangiritse.
5. Iyo urumuri runaka ruhujwe, imirongo imwe yumucyo izatera guhuza bimetallic gufungura
