Answer
Iyo isoko yumuraba yashizwe hagati yibice bibiri bizunguruka ugereranije nundi (nkububiko hamwe nuburaro), isoko yisununura. Niba amasoko adafite umutekano, guterana aho uhurira bishobora gutera isoko 'kugenda' cyangwa kuzunguruka. Mu masoko menshi ahinduka, ibi birashobora kuganisha kuri 'wave-nesting' cyangwa 'tangling' byimpinduka. Kugira ngo wirinde ibi, isoko irashobora gushushanywa hamwe n '' ibisobanuro byerekana 'bihuye n’ibibanza biri mu nzu, cyangwa ubuso bwo gushyingiranwa bigomba gukomera kugira ngo isoko idacukurwa. Byongeye kandi, 'ubwoko' bworoshye cyangwa bukomeye 'ubwoko' cyangwa shim bishyirwa hagati yisoko yumuraba nigice kizunguruka kugirango bitange ubuso buke bwo kwambara kandi bikingire imiraba yisoko idakuka.