Sisitemu yigenga yigenga igenzura: ikiganza kimwe gishobora kuzamura no kumanuka, gukurura iminara, no kuzamura kabiri. Irakorwa byoroshye kandi neza.
Ihuriro rishobora gukora guterura kugororotse, byemeza ko ubwoko bwose bwimodoka zimpanuka zinjira no hanze ya platifomu.