Akpachara anya maka ojiji na nrụnye: 1.First, jiri ikuku dị ọcha na akọrọ.Ikuku agaghị enwe mmanụ sịntetik ihe mgbaze organic, nnu, gas corrosive, wdg, iji gbochie pneumatic cylinder na valvụ ka ọ ghara ịrụ ọrụ nke ọma.Tupu echichi, ọkpọkọ njikọ...
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