Imashini ihindura ubushyuhe ku isahani n'imashini igizwe n'amasahani yo kohereza ubushyuhe (amasahani y'icyuma ya korrugated) afunze neza hakoreshejwe gasket, agafatanywa n'imigozi ihambiriye hagati y'amasahani. Umwobo w'aho kuri iyo sahani utuma amazi anyura, amazi anyura mu nzira ava mu nzira maze agakwirakwizwa mu muyoboro w'amazi hagati y'amasahani yo kohereza ubushyuhe. Ayo mazi abiri atemba mu muyoboro unyura ku muyoboro. Ubushyuhe buva ku ruhande rushyushye bujya ku ruhande rukonje binyuze mu masahani yo kohereza ubushyuhe, amazi ashyushye akonjeshwa hanyuma amazi akonje agashyuha.