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年产100万瓶工业气体、医用氧气充装项目可行性分析报告.doc

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electricityorchemicals.TypesofburnsTherearethreetypesofburns.Burnsarecalledfirst,second,orthirddegreeburns,dependingonwhichlayersoftheskinareburned.FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotseriousandshouldfeelbetterwithinadayortwo.Examplesincludemildsunburnandburnscausedbytouchingahotpan,stoveorironforamoment.SeconddegreeburnsTheseaffectboththetopandthesecondlayeroftheskin.Theseburnsareseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandburnscausedbyhotliquids.ThirddegreeburnsTheseaffectallthreelayersoftheskinandanytissueandorgansundertheskin.Examplesincludeburnscausedbyelectricshocks,burningclothes,orseverepetrolfires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce.CharacteristicsofburnsFirstdegreeburns●dry,redandmildlyswollen●mildlypainful●turnwhitewhenpressedSeconddegreeburns●rough,redandswollen●blisters●waterysurface●extremelypainfulThirddegreeburns●blackandwhiteandcharred●swollen;oftentissueunderthemcanbeseen●littleornopainifnervesaredamaged;maybepainaroundedgeofinjuredare.FirstaidtreatmentRemoveclothingusingscissorsifnecessaryunlessitisstucktotheburn.Takeoffotherclothingandjewelryneartheburn.Coolburnsimmediatelywithcoolbutnoticywater.Itisbesttoplaceburnsundergentlyrunningwaterforabout10minutes.(Thecoolwaterstopstheburningprocess,preventsthepainbecomingunbearableandreducesswelling.)Donotputcoldwateronthirddegreeburns.Forfirstdegreeburns,placecool,clean,wetclothsonthemuntilthepainisnotsobad.Forseconddegreeburns,keepclothscoolbyputtingthembackinabasinofcoldwater,squeezingthemoutandplacingthemontheburnedareaoverandoveragainforaboutanhouruntilthepainisnotsobad.Drytheburnedareagently.Donotrub,asthismaybreakanyblistersandthewoundmaygetinfected.Covertheburnedareawithadry,cleanbandagethatwillnotsticktotheskin.Holdthebandageinplacewithtape.Neverputbutter,oilorointmentonburnsastheykeeptheheatinthewoundsandmaycauseinfection.Ifburnsareonarmsorlegs,keepthemhigherthantheheart,ifpossible.Ifburnsareontheface,thevictimsh