Ụwa niile bụ maka uru;ụwa na-eme mkpọtụ, ha nile bụ maka uru.”N'otu aka ahụ, ike anyanwụ bụ ihe na-adịghị agwụ agwụ. N'aka nke ọzọ, usoro mmepụta ike nke anyanwụ bụ ihe omume enyi na gburugburu ebe obibi na enweghị mmetọ. Ya mere, ike fotovoltaic bụ otu n'ime ụzọ kachasị mma nke ịmepụta ike ...
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