Sisitemu yo kwishyiriraho imirasire ya HZ L ikozwe muburyo bwo kwirinda amazi ku cyuho kiri hagati yizuba, bituma iba sisitemu yimodoka itagira amazi.Sisitemu yose ifata igishushanyo gihuza ibyuma na aluminium, byemeza imbaraga nubwubatsi bworoshye.Ukoresheje ibikoresho bifite imbaraga nyinshi, birashobora kandi gushyirwaho mubice bifite umuyaga mwinshi na shelegi nyinshi, kandi birashobora gushushanywa hamwe nini, kuzigama amafaranga no koroshya parikingi.