Amasandugu y’ibara ry’agahama ni amasandugu akoreshwa cane mu gufata ibifungurwa, azwi kandi nk’amasandugu ya bento, ahanini akozwe mu cuma c’aluminium, icuma kitagira ibara, n’impuzu. Inkomoko: "Igihumbi c'uruzi n'imisozi" mu gice ca gatanu: "Umuceri wo mu gasandugu k'ifunguro ry'umutaga."
Amasanduku y’ivyo kurya birimwo amasandugu y’ifunguro ry’umutaga, amasandugu y’ifunguro ry’umutaga, n’amasandugu asanzwe y’ifunguro ry’umutaga.
Ico kibanza c’ifunguro ry’umutaga ni akazu kasanzwe k’ifunguro ry’umutaga karimwo igikoko co hanze. Ivyo bice vy’imbere n’inyuma vyuzuye amapulasitike y’ifu, kandi ibipande vy’imbere vyuzuyemwo filime y’icuma. Kugabanya ubushuhe buva mu mice itatu: gutwara, imishwarara, n’ugutembagazwa. Igikoresho co gushusha umuyagankuba kirashirwa hagati y’agasanduku k’ifunguro ry’umutaga n’igice c’inyuma kugira ngo bushiremwo ubushuhe no kugumana ivyokurya ku bushuhe bumwe bumwe.
