Ịkpụzi ihe ọkụkụ, nke a makwaara dị ka ịkpụzi igbu egbu, bụ nhazi rọba na-etolite ngwa ngwa.Usoro ịkpụzi ihe n'oge Agha Ụwa nke Abụọ, a na-eji wiil ndị a kpụrụ akpụ na mbụ mepụta vial polyethylene dị obere.N'ọgwụgwụ 1950s, na ọmụmụ nke elu-density poly ...
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