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