Ejiri akara nri mee, TPR (BPA efu), anaghị egbu egbu, enweghị isi kemịkal, na-enye ihe egwuregwu ụmụaka kacha dịrị nchebe maka ụmụ nkịta gị.Ọ dịghị mfe agbajikwa iji kpata ihe egwu kpagbuo ebe ọ bụ na spikes na bọọlụ nwere ihe nchekwa.Uru agbakwunyere na-enyere aka mee ka chịngọm na ezé ha dị ọcha.