Nkwado

  • Ị maara?

    Ị Maara? Na 1950, ụwa na-emepụta naanị tọn plastik nde abụọ kwa afọ. Ka ọ na-erule 2015, anyị na-emepụta tọn nde 381, mmụba okpukpu 20, ngwugwu plastik bụ nsogbu nye ụwa... ...
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  • Tonchant-Akpa tii nke eriri ọka PLA

    Tonchant--Akpa tii nke eriri ọka bayọlọji PLA Otu nnyocha na mmepe nke Tonchant emepụtala ihe eji akpa tii site na iji biopolymer polylactic acid (PLA) emeghari ohuru. Eriri ọka anyị (PLA) bụ nke a na-emegharị emegharị, nke a na-enweta asambodo...
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