英语国际会议报告演讲稿

Goodmorningeveryone!Itismypleasuretogiveapresentationhere.Asastudentwhosemajorissafetyengineering,I’dliketointroduceasafetyevaluationmethodtoday,theLECevaluation.AsthePPTshows,mypresentationismainlydividedintothreeparts.Firstly,letmeintroduceLECbriefly.MaybesomeofyouhavelearnedaboutLECincollege,itisusedtoassessthedegreeofdangerwhenpeopleworkinpotentiallydangerousenvironment.Itisahalf-quantitativesafetyevaluationmethodwhichclassifiesonecertainsystemanddetermineifthesystemissafeenough.Then,whatdoeseachlettermean?Dmeansdanger,itshowshowdangerousthesystemis.Lmeanslikelihood,itshowsthepossibilityoftheaccident.Emeanstheextentofexposure,itshowsthathowoftendoworkersworkindangerousenvironment.Cmeansconsequence,itshowstheseverityofaccidents.Here,itisachart,eachpartisdividedintoseverallevels.Takethelikelihoodasanexample,ithassevenlevels,thepointsrangefrom0.1to10asthepossibilityrising.AndifthescoreofDisover320,itmeansthissystemisextremelydangerousandcannotcontinueoperating.ThroughLECevaluation,wecanmakesureifweneedtorectifyandreformtheworkplace,sothatwecantakesomemeasuresforsafetytoavoidaccidents.Itiseasytouseanditisfeasibleforthesituationwhichislackofspecificevaluationmodelsordata.TheLECmethodiswidelyusedinvariousfields,suchasaircraftindustry,railwayindustry,metallurgicindustry,coal-miningindustryandsoon.TheusageofLECdoesn’thavemanydifferences.Firstly,weshouldselecttheevaluationunit,thenidentifythemaindangerintheunit.Next,weneedtoevaluatethedangerbyusingthatchartandgetaconclusion.