Kubaka amazu yumuryango, inyubako zidakabije, holodomes, gushyira mubikorwa ibisenge byubatswe kandi binini, ububaji, igisenge, gutobora, gushiraho ikirere, gushyiramo insulente-raferi, gushyiramo panneaux, kwambika amazu, kutagira amazi, gushyiramo fayili ya PVC.