Ibyuma bidafite ingese ni ibintu byinshi kandi byingenzi bikoreshwa cyane mu nganda zinyuranye kubera kurwanya bidasanzwe kwangirika, imbaraga, hamwe nubwiza bwiza. Mu bwoko bwinshi bwibyuma bidafite ingese, 430 na 304 harimo ibyiciro bibiri bikunze gukoreshwa, buri kimwe gitanga imitungo itandukanye ituma bikenerwa mubikorwa bitandukanye. Iyi blog igamije gutanga igereranya ryuzuye hagati ya 430 na 304 ibyuma bitagira umwanda, byibanda kubigize, imikorere, gusaba, no gutekereza kubiciro. Gusobanukirwa itandukaniro bizafasha muguhitamo ibyemezo mugihe uhisemo ibyuma bidafite ingese kubikenewe byihariye.