Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Da farko an ci gaba a cikin 1970s, fiber-optics sun canza masana'antar sadarwa kuma sun taka muhimmiyar rawa a zuwan Zamanin Bayanai. Saboda fa'idodi da ke tattare da watsa wutar lantarki, fiber na gani sun maye gurbin sadarwa na waya na jan ƙarfe a cikin cibiyoyin sadarwa a cikin ƙasashe masu tasowa.  Tambaya: Wane irin kayan aiki ne ya sauya masana'antar sadarwa?
fiber-na gani