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Igbe nnwale nke formaldehyde maka ogwe osisi
Nkọwapụta ngwaahịa gburugburu ebe obibi na gburugburu ebe obibi nke ụlọ, ihe eji eme ihe, ebe a na-ewu ewu na ihe ndị ọzọ na-eme ihe na-emerụ ahụ, ọkachasị maka ma ọ bụrụ na A na-etinye ngwaahịa dị iche iche na-agbanwe agbanwe ... -
Otu cubic mita nke usoro ule
Nkọwapụta ngwaahịa General Otu Cubic Mete gburugburu ebe a na-eji ahịhịa dị iche iche, na-eme ka ihe dị iche iche nke formaldehyde, na mgbe niile okpomọkwa ọgwụgwọ. Enwere ike iji ya na ihe ndị ọzọ. Nchọpụta nke Har ...