Taa, 5 tent nke ududo ebuli n'okpuru ịnya ụgbọ ala ahaziri nke ọma ka emechara nke ọma. Ụdị ụgbọ ala a na-ewu ewu maka obere na kwụsiri ike, a na-ejikarị ya na elu ududo, kreenu, wdg. Ugbu a, a na-ejikarị ya eme ihe na-ewu, ịchọ mma, ụgbọ njem logistics, mgbasa ozi ...
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