NM njikọ
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Njikọ NM na NBR Rubber Spider, Ụdị 50, 67, 82, 97, 112, 128, 148, 168
Njikọ NM nwere oghere abụọ na mgbanaka na-agbanwe agbanwe nwere ike ịkwụ ụgwọ ụdị ọ bụla nke adịghị mma. A na-eji Nitile rubber (NBR) mee ihe na-agbanwe agbanwe nke nwere njirimara dị n'ime ime nke na-enyere aka ịmịnye ma na-eguzogide mmanụ, unyi, griiz, mmiri mmiri, ozone na ọtụtụ ihe mgbaze kemịkalụ.