Akụkọ R&D
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Tonchant.: Mee ka echiche mmepụta nke nkwakọ ngwaahịa emegharịgharị
Tonchant.:Mbawanye echiche mmepụta nke nkwakọ ngwaahịa a na-emegharịgharị ihe kpatara nkwakọ ngwaahịa na-adịgide adịgide?Ndị na-eri ihe na-emewanye mkpebi dabere n'ụkpụrụ gburugburu ebe obibi ha.N'ihi ya, b...GỤKWUO -
Ị maara?
Ị maara? N'afọ 1950, ụwa na-emepụta naanị tọn 2 nde nke plastik kwa afọ.Site na 2015, anyị mepụtara tọn 381 nde, mmụba ugboro 20, ngwugwu plastik bụ nsogbu maka ụwa……GỤKWUO