Inama itari yo yemerera guhuza byihuse hamwe na silinderi yacitsemo ibice.
Nkuko insinga yaciwe na silinderi yacitsemo ibice ntabwo ari igikoresho, nta nkombe zikata muburyo bwijimye cyangwa umusibasi kugirango unanire.
Igikoresho cyo kwishyiriraho qdf ni impeshyi yikorewe kandi mu buryo bwikora itanga imbaraga zisabwa kugirango ushyireho insinga. Iranga insinga yo gukuraho insinga kugirango ikureho insinga zahagaritswe.
Igikoresho cyo gukuraho ikinyamakuru kurekura ikinyamakuru QDF-E kuva ku giti cye kirimo kandi cyinjijwe.
Uburebure bubiri burahari, bitewe nibisabwa nabakiriya.