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Ọfụma plastik
- Ịkpụzi oghere oghere, usoro ngwa ngwa nke nhazi plastik. N'oge Agha Ụwa nke Abụọ, a malitere iji ịkpụzi ihe ọkụkụ ahụ iji mepụta flask polyethylene dị ala. Na njedebe 50s, na ọmụmụ nke elu njupụta polyethylene na mmepe nke ịfụ ịkpụzi igwe, ịfụ ịkpụzi nkà na ụzụ e ọtụtụ used.The olu nke oghere akpa nwere ike iru puku kwuru puku lita, na ụfọdụ n'ime mmepụta na-achịkwa site na kọmputa. .
- Ihe plastik maka ịkpụzi ihe bụ polyethylene, polyvinyl chloride, polypropylene, polyester na ndị ọzọ. A na-eji igbe ndị ahụ oghere eme ihe n'ọtụtụ ebe dị ka ihe nkwakọ ngwaahịa mmepụta ihe. Enwere ike kewaa ihe akpụ akpụ ahụ n'ụdị extrusion igbu na ịkpụzi ịgba ọgwụ mgbochi ọrịa, na ihe a na-emepụta ọhụrụ nke multi oyi akwa ịfụ ịkpụzi na ịkpụzi ịhịa aka ka emepụtara ọhụrụ.