Akụkọ Ụlọ Ọrụ
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Nkọwa zuru oke nke ihe TPU
Na 1958, Goodrich Chemical Company (nke a na-akpọzi Lubrizol ugbu a) debanyere aha TPU Estane maka oge mbụ. N'ime afọ 40 gara aga, e nwere ihe karịrị aha 20 n'ụwa niile, ụdị ọ bụla nwekwara ọtụtụ usoro ngwaahịa. Ugbu a, ndị na-emepụta ihe TPU gụnyere...GỤKWUO