Usoro iji gbochie mkpụcha diski brek na ịtọgbọ: a na-etinye ígwè a gbazere agbaze n'ime sprue ahụ nke ọma iji belata oke okpomọkụ mpaghara nke diski ahụ ma gbochie ịmepụta ebe ọkụ arụrụ arụ. Dịka echiche nke ịgba ígwè siri ike, ka obere akụkụ ndị dị gịrịgịrị na-adị obere, otú ahụ ka uru mkpụcha na-abawanye, na-emesikwu ike na mkpụcha. Ụdị nri nwere ike ịbụ inye usoro mkpụcha ma ọ bụ inye nri riser. Mgbe a na-eji usoro nri nke sistemụ mkpụcha, enwere ike ịbawanye isi mkpụcha nke ọma, dị ka ịbawanye elu nke igbe elu, itinye mgbanaka ọnụ ụzọ ámá, wdg; Onye na-agba ọsọ bụ isi ihe na-eme ka ikuku na-ese n'elu mmiri. Mgbe ejiri ya maka mgbakwunye mkpụcha, enwere ike ịbawanye nha nke ngalaba ya nke ọma; Mkpụcha dị n'ime ga-adị mkpụmkpụ, dị gịrịgịrị ma jupụta. Mkpụcha dị n'ime dị mkpụmkpụ (mkpụcha dị n'akụkụ mkpụcha dị nso na mkpụcha). N'ihi mmetụta okpomọkụ nke mkpụcha na mkpụcha dị n'akụkụ na mmetụta mmiri nke mejupụta ígwè na nri, a gaghị eme ka mkpụcha dị n'ime ahụ sie ike ma mechie ya tupu oge eruo, ọ ga-anọgidekwa na-enweghị mkpọchi ruo ogologo oge. Ọ dị gịrịgịrị (n'ozuzu) nwere ike igbochi njikọ ndị na-ekpo ọkụ na-abata na sprue dị n'ime. Obosara ya bụ iji hụ na ebe zuru oke. Ozugbo ihe nkedo ahụ banyere n'ọkwa siri ike nke mgbasawanye na mkpụmkpụ nke graphitization, ígwè a gbazere agbaze dị na ingate ga-akwụsị ịgba ọsọ ma sie ike ma kwụsị n'oge iji melite ọnụego ojiji nke graphitization onwe onye, nke bụ mmetụta mgbanwe nke obere, dị gịrịgịrị na obosara ingate (olu riser) na nri. Maka ụfọdụ ihe nkedo nwere nnukwu mbelata, enwere ike ịtọ riser maka nri. Riser kacha mma ịtọ riser na mmalite nke sprue dị n'ime, ma ọ bụ enwere ike ịtọ riser na etiti etiti iji nye diski ahụ n'otu akụkụ nke sprue dị n'ime. Maka obere akụkụ dị gịrịgịrị, enwere ike iji usoro inoculation nke abụọ, ya bụ, enwere ike itinye inoculant n'ime obere ngwugwu maka ịgba ọgwụ ozugbo iji melite mmetụta ịgba ọgwụ ma kwalite nucleation na uto nke graphite. Enwere ike itinye ya na ala ngwugwu ahụ ma saa ya n'ime ígwè gbazere agbaze.
