Mu myaka yashize, pompe yamavuta ya pompe 294000-1691 yahinduwe kugirango ikore mubihe byumuvuduko ukabije, ibyo bikaba byongereye ubushyuhe bwumuriro. Rimwe na rimwe, urusaku rugomba kugabanuka, kandi no kuzigama ingufu nabyo birasabwa, bigatuma pompe yatewe lisansi ihura nakazi katoroshye. Kubwibyo, iyi yabaye imwe mumpamvu nyamukuru zituma dukomeza kunoza imikorere ya pompe yatewe inshinge.