1. Department of Safety Science & Engineering, China University of Petroleum (East China), Qingdao, P.R. China
2. Department of Satety Management, Shandong Airlines Company Limited, Jinan, Shandong Province, P.R. China
3. Dan F. Smith Department of Chemical Engineering, Lamar University, Beaumont, Texas, USA
4. Office of the Factory Manager, Changsha FinDreams Battery Company Limited, Changsha, Hunan Province, P.R. China