1. Department of Environmental and Energy Engineering, Kyungpook National University, Daegu, Republic of Korea.
2. En-Tec One Co.,Ltd., Daegu, Republic of Korea.
3. Department of Architecture and Fire Protection, Uiduk University, Gyeongju-si, Republic of Korea.
4. R & D Institute, Silla Entech Co., Ltd., Daegu, Republic of Korea.