1. Mwepụ nchara nke elu nke ọkpọ ígwè kwesịrị iru sa2.5 ọkọlọtọ gb8923-88, na-egosi agba eke nke metal, na-enweghị anya griiz, unyi, nchara, na ndị ọzọ Mgbakwụnye. 2. A ga-agwọta oyi akwa mgbochi corrosion n'ime awa 24, na-enwe oke otu, compactness, n ...
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