Uruhererekane rwibicuruzwa rufite ubwoko bubiri: kuzunguruka no gusubira inyuma;birakwiriye gutwara hagati / intera ndende yo gutwara ibicuruzwa byinshi nkamakara, ibirombe, umucanga na kaburimbo, bishobora kuzamura neza ubushobozi bwo gupakira no gupakurura no gutwara, kandi gupakurura biroroshye, byoroshye kandi byihuse, kandi birashobora guhura ninzira zitandukanye ibisabwa no gupakira no gupakurura ibikenewe