Gaa na akụkụ dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka akụkụ ahụ: Passage: Ụgbọ njem mpaghara nwere netwọkụ nke bọs na trolleybuses. Netwọk trolleybus, nke ugbu a nwere ụzọ ise, malitere ịrụ ọrụ na 1995 ma bụrụ usoro trolley mbụ mepere na Russia mgbe ọdịda nke Soviet Union gasịrị. Ajụjụ: Kedu ụdị ụgbọ ala eji maka usoro njem ọha na eze Russia?
bọs na trolleybuses