Nke mbu, tupu ịhọta olulu ahụ, ka anyị leba anya n'ihe isi ike iji ígwè igwe anaghị agba nchara?Ihe isi ike nke ihe na-enweghị ncharaNgwunye osisi dị mkpirikpi: Mkpokọta nchara nchara siri ike ma sie ike, na-egbutu okpomọkụ dị elu nke mma ahụ, na-emetụta akụkụ nhazi nke na-enwu gbaa; ọrụ na-arụ ọrụ siri ike.
N'ihe oriri nke nnukwu flanges, enwere ọtụtụ ọrụ na-emetụta nnukwu flanges. Ihe ndị a bụ ọtụtụ ihe ndị a na-ahụkarị. Nke mbu bu okpomoku na-ewute (okpomoku na-egosiputa okpomoku nke primer na ndetu, na okpomoku mgbe a na-anọchi anya moler n'usoro di iche iche).

Ọ bụ ihe dị mkpa na-emetụta ụdị nke pcr.in ikpe nke mmụọ nsọ, ọnọdụ okpomọkụ dị oke ọnụ iji jide 70 ℃.

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