ISESE Nipa Idanwo Nipa Ile-iṣẹ Wa Ọna idagbasoke Ẹka Idanwo IES Idanwo UV ultraviolet Iwọn otutu igbagbogbo ati idanwo ọriniinitutu ti awọn atupa Idanwo sokiri iyọ Waya ẹdọfu igbeyewo Kú Sisọ & Lilọ Department Eka abẹrẹ epo