oriọna nke anyanwụ, nke a makwaara dị ka plọg nke mbara igwe ma ọ bụ oriọna n'okporo ámá nke anyanwụ, bụ usoro ọkụ nwere ọkụ LED, ogwe anyanwụ, batrị, njikwa chaja, na ikekwe ihe ntụgharị. Ọkụ n'okporo ámá na-arụ ọrụ na ọkụ eletrik sitere na batrị, nke a na-ebunye ya site na ...
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