. ) urubuga rwo guterura rworoshye, neutral urubuga rwo guterura rutunganijwe, neutral urubuga rwo guterura rutunganijwe urugi ku nzu.
Ahanini akora mubikorwa byo guterura neutral, neutral urubuga rwo guterura rworoshye, neutral urubuga rwo guterura ruhamye, neutral urubuga rwo guterura ruhamye, ruhenze cyane, ubuziranenge bwa Seiko, bukoreshwa cyane, urakaza neza kubufasha.