#12. Ku kinyabiziga cyangwa ibinyabiziga bikururana igice kirenga ku biziga ntikigomba kurenga ibipimo bikurikira
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Komeza
#13. Muri iri sangano ry’umuhanda hari icyapa gisobanura “guhagarara” n’umurongo wera urombereje munzira . Niyihe mpamvu hari iki cyapa cyo “guhagarara” hano?