英语国际会议报告演讲稿.docx

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1、Goodmorningeveryone!Itismypleasuretogiveapresentationhere.Asastudentwhosemajorissafetyengineering,I’dliketointroduceasafetyevaluationmethodtoday,theLECevaluation.AsthePPTshows,mypresentationismainlydividedintothreeparts.Firstly,letmeintroduceLECbriefly.MaybesomeofyouhavelearnedaboutLECinco

2、llege,itisusedtoassessthedegreeofdangerwhenpeopleworkinpotentiallydangerousenvironment.Itisahalf-quantitativesafetyevaluationmethodwhichclassifiesonecertainsystemanddetermineifthesystemissafeenough.Then,whatdoeseachlettermean?Dmeansdanger,itshowshowdangerousthesystemis.Lmeanslikelihood,its

3、howsthepossibilityoftheaccident.Emeanstheextentofexposure,itshowsthathowoftendoworkersworkindangerousenvironment.Cmeansconsequence,itshowstheseverityofaccidents.Here,itisachart,eachpartisdividedintoseverallevels.Takethelikelihoodasanexample,ithassevenlevels,thepointsrangefrom0.1to10asthepo

4、ssibilityrising.AndifthescoreofDisover320,itmeansthissystemisextremelydangerousandcannotcontinueoperating.ThroughLECevaluation,wecanmakesureifweneedtorectifyandreformtheworkplace,sothatwecantakesomemeasuresforsafetytoavoidaccidents.Itiseasytouseanditisfeasibleforthesituationwhichislackofsp

5、ecificevaluationmodelsordata.TheLECmethodiswidelyusedinvariousfields,suchasaircraftindustry,railwayindustry,metallurgicindustry,coal-miningindustryandsoon.TheusageofLECdoesn’thavemanydifferences.Firstly,weshouldselecttheevaluationunit,thenidentifythemaindangerintheunit.Next,weneedtoevaluat

6、ethedangerbyusingthatchartandgetaconclusion.