Uruhare rwamaboko yo hepfo kumodoka ni: rukoreshwa mugutunga umubiri, imashini itera;Kandi buffer ihindagurika ryumuhanda.Niba ivunnye ibimenyetso nibi bikurikira: kugabanya kugenzura no gukora;Kugabanya imikorere yumutekano (urugero kuyobora, gufata feri, nibindi);Ijwi ridasanzwe (ijwi);Ibipimo byerekana neza, gutandukana, no gutera ibindi bice kwambara cyangwa kwangirika (nko kwambara amapine);Kuyobora byagize ingaruka cyangwa se imikorere mibi nibindi bikurikirana