A na-eji ihe PE mee akpa osisi anyị, nke nwere ike inyere mgbọrọgwụ aka iku ume ma nọgide na-enwe ahụ ike, na-akwalite uto osisi. Aka siri ike na-enye gị ohere ịmegharị ngwa ngwa, na-eme ka ọ dị ogologo ndụ. Enwere ike ịpịaji, hichaa, ma jiri ya mee ihe dị ka akpa nchekwa maka ịchekwa uwe ruru unyi, ihe nkwakọ ngwaahịa, wdg.