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Scientificpreventionandcontrol
Lecturer:ChenDanbin
Anti-epidemicGuidelinesAtWork02
Knowledgeofmaskwear01Knowledgeofpersonalprotection
Contents01Knowledgeofpersonalprotection
WordsLearning:*Findoutthepronunciationofeachword*Thinkoftherelevantwordsofeachword*Matchthewords(1-10)withthecorrectdefinition(a-j).
KnowledgeofpersonalprotectionHowtoprotectagainstCOVID-19inapublictransportationvehicle?Buses,subways,ships,andairplanestendtohavemanytravelers.Atsuchplaces,youshouldwearamasktoreducetheriskofexposuretopathogens.Whenyoucoughorsneeze,coveryournoseandmouthcompletelywithapapertowel,andimmediatelydroptheusedpapertowelinaclosedbintopreventthespreadofgerms.01
KnowledgeofpersonalprotectionWhatifIneedtousecentralairconditioning?Ifyoumustuseacentralairconditioningsystem,learnaboutitstype,rangeofairsupply,andairinletbeforeusingit.Whenusingit,ensurethatallroomsinthebuildingarewell-ventilatedandhavesufficientfreshairsupply.IfconfirmedorsuspectedCOVID-19casesarefoundinthebuilding,immediatelyshutdownthecentralairconditioninginareasofthebuildingwheresuchcasesaredetectedandconductcompulsorycleaninganddisinfection.01
KnowledgeofpersonalprotectionHowtoprotectagainstCOVID-19intheoffice?Ifyousharetheofficewithmanyothers,youshouldwearamask,washyourhandsoften,andtheofficeshouldbekeptwell-ventilated.Regularlydisinfectpublicitemssuchasdoorknob,switches,andcomputersforusebyallthestaff.01
KnowledgeofpersonalprotectionHowtoprotectagainstCOVID-19whenattendingmeetings?Youshouldwearamaskanddrinkfromyourownmug.Thenumberofattendeesshouldbekeptsmall,andthedurationofthemeetingshouldbeminimized.Attendeesshouldsitatleastonemeterapartfromeachother.Duringthemeeting,keepwindowsopentoensurethatthemeetingroomiswell-ventilated.Whenthemeetingisover,disinfectpublicitemssuchasmicrophonesandthesurfaceoftheconferencetable.01
KnowledgeofpersonalprotectionHowtoprotectagainstCOVID-19inapublicelevator?Anelevatorisaclosedspace.Wearamaskwhentakinganelevator,andwashyourhandsimmediatelyaftertouchingthebutton.Takethestairsinsteadofanelevatorifyoucan.Elevatorsshouldbedisinfectedregularly,atleastonceortwiceaday,dependingonthenumberofusersandthefrequencyofitsuse,andwell-ventilationshouldbeensured.0102Knowledgeofmaskwear
Knowledgeofmaskwear03HowtoChooseamask?
Knowledgeofmaskwear03HowtoChooseamask?
Knowledgeofmaskwear03HowtoChooseamask?
Knowledgeofmaskwear03HowtoChooseamask?
Knowledgeofmaskwear03MethodA:Puttingonamask1.Cleanyourhands.Beforetouchingacleanmedicalmask,washyourhandsthoroughlywithbothsoapandwater.
▪Onceyou'veappliedsoaptoyourwethands,youshouldrubyourhandstogethertowashthemforatleast20secondsbeforerinsingthemoff.▪Alwaysuseacleanpapertoweltodryyourhands,andthenplacethatpapertowelintoatrashbin.Beforeyouthrowitawayyoumaywanttousethatpapertoweltoopen/closeadoorafteryou'vewashedyourhands.
Knowledgeofmaskwear032.Checkthemedicalmaskfordefects.Onceyou'vetakenanew(unused)medicalmaskfromthebox,checkittoensureitdoesn'tcontainanydefects,holesortearsinthematerial.Ifthemaskhasdefects,holesortears,throwitawayandselectanothernew(unused)maskfromthebox.
Knowledgeofmaskwear033.Orientthetopofthemaskproperly.Inorderforthemasktofitasclosetoyourskinaspossible,thetopportionofthemaskwillhaveabendable,butstiff,edgethatcanbemouldedaroundyournose.Ensurethisbendablesideisfacingupwardsbeforeapplyingthemasktoyourface.
Knowledgeofmaskwear034.Ensurethepropersideofthemaskfacesoutwards.Theinsideofmostmedicalmasksarewhiteincolour,whiletheoutsidehasacolourofsomesort.Beforeapplyingthemasktoyourface,makesurethewhitesideofthemaskisfacingtowardsyourface.
Knowledgeofmaskwear035.Placingthemaskonyourface.Therearemanytypesofmedicalmasksavailable,eachwithdifferentmethodsofattachingthemasktoyourhead.▪EarLoops—Somemaskshave2earloopsoneithersideofthemask.Theseloopsarenormallymadeofanelasticmaterialsotheycanbestretched.Pickupthistypeofmaskbytheloops,put1looparoundoneearandthenputtheotherlooparoundyourotherear.
Knowledgeofmaskwear03TiesorStraps—Somemaskscomeswithpiecesoffabricthataretiedaroundthebackofyourhead.Mostmaskswithtiescomewithanupperandlowertiesorstraps.Pickupthemaskbytheupperties,placethetiesaroundthebackofyourheadandattachthemtogetherwithabow.
Knowledgeofmaskwear03
Bands—Somemaskscomewith2elasticbandsthatareplacedoverandaroundthebackofyourhead(asopposedtoaroundyourears).Holdthemaskinfrontofyourface,pullthetopbandoverthetopofyourheadandplaceitaroundthecrownofyourhead.Thenpullthebottombandoverthetopofyourheadandplaceitatthebaseofyourskull.
Knowledgeofmaskwear036.Adjustthenosepiece.Nowthatthemedicalmaskisinplaceonyourheadandface,useyourindexfingerandthumbtopinchthebendableportionofthetopedgeofthemaskaroundthebridgeofyournose.
Knowledgeofmaskwear037.Tiethelowerbandofthemaskifneeded.▪Ifyou'reusingamaskwithbandsthattieonthetopandbottom,youcannowtiethebottombandaroundthebaseofyourskull.Becauseadjustingthebendablenosepiececanimpactthefitofthemask,itisbesttowaituntilafterthenosepieceisinplacebeforetyingthebottomstraps.▪Ifyou'vealreadytiedthebottomstraps,youmayneedtore-tiethemtighterifneeded.
Knowledgeofmaskwear038.Fitthemasktoyourfaceandunderyourchin.Oncethemaskiscompletelysecured,adjustittoensureitcoversyourfaceandmouth,andsothebottomedgeisunderyourchin.
Knowledgeofmaskwear03MethodB:Takeoffamask1.Cleanyourhands.Dependingonwhatyouweredoingwithyourhandsbeforeyouremoveyourmask,youmayneedtowashyourhands.Oryoumayneedtoremovemedicalgloves,washyourhands,thenremovethemask.
Knowledgeofmaskwear032.Removethemaskcarefully.Ingeneral,removethemaskbyonlytouchingtheedges,straps,loops,tiesorbands.Donottouchthefrontportionofthemaskwhichmaybecontaminated.▪EarLoops—Useyourhandstoholdtheearloopsandremovethemfromaroundeachear.
Knowledgeofmaskwear03▪Ties/Straps—Useyourhandstountiethebottomstrapsfirst,thenuntiethetopstraps.Removethemaskwhileholdingontothetopties.▪Bands—Useyourhandstobringthebottomelasticbandupandoveryourhead,thenuseyourhandstodothesamewiththetopelasticband.Rem
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