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Aluminom ikuku duct nke na-agbanwe agbanwe bụ nke dị n'ime, mkpuchi na jaket mejupụtara. 1. N'ime tube: mere nke otu foil gbalaga ma ọ bụ abụọ, nke spirally ọnya gburugburu elu na-agbanwe ígwè waya; Enwere ike ihie foil aluminom, ihe nkiri PET alumini ma ọ bụ ihe nkiri PET. Oke...GỤKWUO»