Nkọwa ngwaahịa
Rivets pop kpuru ìsì na-ewu ewu n'ihi na ha na-etinye ngwa ngwa na ngwa ngwa;ha na-emepụta ihe mgbochi siri ike a pụrụ ịdabere na ya (ọ bụrụ na mandrel agbaji, a na-etinye rivet ahụ n'ụzọ ziri ezi);ha na-ama jijiji ma na-eguzogide ọgwụ;na rivets na ngwa nrụnye adịghị emebi elu nke ihe a na-ejikọta.
Ọrụ
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