→ Ekodoro igbe ntụ oyi, ikuku iyuzucha.→ All ụdị nke ikuku ebuli ọkpọkọ.→ Ụdị ọ bụla nke ọkpọkọ mmiri na-ekowe ọkpọkọ.→ Ụdị ngwá ọrụ HVAC niile kwụgidere.