Tray mkpụrụ osisi plastik siri ike nke nwere oghere site na 15 ruo 288

1. Gburugburu ebe obibi, ọ naghị emerụ ahụ, ikuku dị mma, yana ihe na-eguzogide ịka nká, ndụ ogologo oge
2. Ike buru ibu, ohere zuru oke maka sistemụ mgbọrọgwụ
3. adịghị mfe ịgbanwe n'okpuru oke okpomọkụ
4. nwere oghere dị n'ala, iji gbochie mgbọrọgwụ ire ere nke ukwuu
5. Na flume dị n'ime, mmiri ahụ na-erute ala ngwa ngwa
6.dabara maka mkpụrụ nke akwụkwọ nri, ifuru, ọhịa