* Kuramba: Igihe cyo gukora gishobora kugera ku myaka 30, kandi cyavuwe hakoreshejwe ogisijeni n'uburinzi bw'ingese.
*Gusana byoroshye; kugira ngo usimbuze adsorbent, ukeneye gukuraho gusa vis 4 ku gifuniko cyo hejuru ukoresheje urufunguzo rwa Allen, hanyuma agace ka muffler gashobora gukurwaho kagasimbuzwa agace gato.
*Imiterere yihariye y’imyuka isohora umwuka ituma ubushuhe buri ku buso bw’imyuka busohoka neza, bigabanura igihombo cya gaze yo kongera kuvugurura.