Imbaraga zihanitse mu bya tekiniki
Kugira ikoranabuhanga rigezweho mu gushushanya no gukora ibishishwa, ntabwo ari ubuhanga mu gushushanya ibishishwa by'amabara amwe gusa, ahubwo no mu gushushanya ibishishwa by'amabara abiri, ibishishwa by'amenyo agoramye, ndetse no hejuru y'ibishishwa.