Ahantu nyaburanga ni igice cyingenzi ariko akenshi cyirengagizwa mubishushanyo mbonera bishobora kuzamura byoroshye ubwiza bwumutungo. Nubwo ikora gusa nko gutandukanya uturere tubiri dutandukanye, inkombe yubusitani ifatwa nkibanga ryerekana ibishushanyo mbonera. Corten ibyuma byibyatsi bigumisha ibimera nibikoresho byubusitani. Itandukanya kandi ibyatsi n'inzira, itanga ibyiyumvo byiza kandi bitunganijwe kandi bigatuma impande zangiritse zishimishije.