「鋼橋架設等作業主任者」に関連した動画の一覧

Remembering Randy Pausch  Professor Randy Pausch (Oct. 23, 1960 - July 25, 2008) was remembered Sept. 22, 2008, at a memorial service held at Carnegie Mellon University. For more, visit www.cmu.edu/randyslecture. 2008年09月25日再生回数 119641