1. A na-ejikarị eme nchọpụta mmanụ, nchacha, kemịkalụ, ikpo okwu mmanụ dị n'ụsọ mmiri, ikuku ọkụ na ihe mgbawa dị ka ụgbọ mmiri mmanụ;
2. Ọdabara na mpaghara 1 na mpaghara 2 nke ikuku gas na-agbawa agbawa;
3. Ọdabara na IIA, IIB, IIC ihe mgbawa gas gburugburu;
4. Ọdabara na otu okpomọkụ bụ T1 ~ T3;
5. Dị ka ụlọ mmepụta ihe, a ga-eji ụlọ nkwakọba ihe mee ihe maka ikpo ọkụ n'oge oyi ma ọ bụ na-amụba okpomọkụ okpomọkụ.