Muri iki gihe abantu bahuze cyane, ibiryo byiteguye-kurya (RTE) byahindutse ubucuruzi butera imbere.Customer retort packaging, izwi kandi nka retortable packaging, yamenyekanye mumahanga mugihe runaka.Mu myaka yashize, abakora ibiryo muri Amerika bamenye ko gukoresha imifuka ya retort bishobora kuzigama amafaranga menshi ugereranije nibiryo gakondo.Niba ariryo soko ushaka kwinjiramo, ni ngombwa kubona ibicuruzwa bipakira nkatwe uzi gupakira neza ibiryo bya RTE.