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 ọnọdụ okpomọkụ bụ T1 ~ T4 / T5 / T6;
5. Dị ka osisi, ụlọ nkwakọba ihe refrigeration, kpo oku na ntụ oyi.