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Usoro batrị dkopyzs
Atụmatụ na uru
1. Afọ 25 na-eme ka ndụ na-ese n'elu mmiri @ 20 Celsius C
2.Tabar nke nwere ezigbo usoro ndụ ogologo oge
3.Haghachi ntụkwasị obi
4.lead calcium na-anwụ grid nke nwere ike iguzogide ike
Past ngwugwu $ 5dry na nnyefe na-agba mbọ hụ na ndụ nchekwa
6. Exploplive-na-egosiputa ihe eji eme ihe puru iche
