1. Birakwiriye kubice binini, biciriritse kandi binini cyane bikozwe mubibumbano.Byinshi mubikorwa byo gukora plastike, muburyo bwose bwo gukora, plastike na shell ibishishwa biri munsi yumuvuduko mwinshi wakazi (igitutu cyakazi), nko gukoresha inshinge zisanzwe zikoreshwa cyane ...
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