Umurongo wa Vario Umurongo wa Brennenstuhl ufite 5m, 10m, 15m umugozi wagutse ushimishije hamwe nubwiza numutekano mubice byose.Igikoresho cyacyo gikomeye gikozwe muri plastiki idashobora kumena ibara ry'ubururu.Ntabwo ari byiza gukoreshwa murugo no mu biro, ariko bifite imitungo ikurikira