Kedu ka esi amata ihe mkpuchi igwe anaghị agba nchara?
Ma n'ebe a na-ewu ihe, igwe, ụgbọ ala ma ọ bụ ngwá electronic, ojiji nke igwe anaghị agba nchara bụ ihe a na-ahụkarị. Igwe anaghị agba nchara nwere uru nke nguzogide corrosion, oke okpomọkụ na-eguzogide, na ike dị elu, ma na-egwu mbubata ...
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