Naghachi n'ime iko seramiiki ụdị - FDA-Dabere na nke dị nro VDLK2404923

E mere iko seramiiki ọcha a na-egbuke egbuke iji mee ka obi tọọ gị ụtọ, o nwere ihe mkpuchi anyanwụ na ozi "Ụbọchị Na-enwu enwu n'ihu." Ahụ seramiiki nke FDA nwalere na-eme ka nchekwa dị, ebe ọdịdị cylindrical ochie dabara na ọtụtụ ihe ndị nwere iko. Rim na aka dị mfe ijide na-eme ka ọ baa uru, a na-ejikwa ya kwa ụbọchị nke ọma maka ịsa efere. Ọ dị mma maka inye onyinye na obere ihe ma ọ bụ obere ihe ọṅụṅụ, ọ bụ ihe ncheta olileanya na ọgwụgwọ na-aga n'ihu.