1 Evaluating the 300 mm wafer-handling task in semiconductor industry Mao-Jiun J. Wang* Hsiu-Chen Chung† and Hsin-Chieh Wu‡ *Department of Industrial Engineering and Engineering Management, National Tsing Hua University, 101, Section 2 Kuang Fu Road, Hsinchu, Taiwan, 300, ROC. †Department of Industrial Management, Huafan University, 1, Huafan Road, Taipei, Taiwan, 22341, ROC ‡ Department of Industrial Engineering and Management, Chaoyang University of Technology, 168 Gifeng E. Rd., Taichung, Taiwan, 413, ROC. *: Corresponding author