PARTA SECTIONONETHEORIESANDMETHODSOFSAFETYSCIENCE StudyonApplicationInstanceofKOSHA18001ConstructionFirms GreyRelationAnalysisforCalamityAccidentFactorsofChemicalPlant TheApplicationofGreyPredictionModelonSafetyTargetValue StudyontheRamanSpectraofDimethylEtherHydrateandItsThermalStability DevelopmentofaSafetyCriteriaFrameworkforRailwaySoftwareSystems ASimpleBlastEvaluationMethodforNonuniformDiffu