Nguzogide ntụpọ ịgbado ọkụ bụ a ọtụtụ-eji n'ichepụta usoro maka isonyere metal components dị iche iche ụlọ ọrụ. Otú ọ dị, dị ka usoro ọ bụla n'ibu, ọ nwere ike izute nsogbu, na otu ihe na-emekarị bụ omume nke cracks na ịgbado ọkụ igwe. N'isiokwu a, anyị ga-enyocha ihe nwere ike ime ...
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