ITU School of Textile Technologies and Design ITU Science Center Ituse It used to be a hospital. It used to be cooler in the mornings, but now it is very hot even in the morning. It used to be taboo for women to smoke. It used to be thought that the earth was flat. It used to snow at this time of the year, but now it doesn’t snow as often. Itusei it uses It uses a fasting blood sample. It uses almost the same expressions.