實(shí)用機(jī)電英語(yǔ) 課件 Unit 6-9：Do you know how to replace a GFCI-Can you lift heavy things safely

實(shí)用機(jī)電英語(yǔ)（第二版）新編21世紀(jì)職業(yè)教育精品教材主編劉宏王宗立郭樹英Contents1Areyoureadyforajobinterview?2Canyoureadtechnicaldescriptions?3Canyoureadusermanuals?4Doyouhavesafehabits?5Doyourecognizethesigns?6DoyouknowhowtoreplaceaGFCI?7Areyouskilledatwiring?8Howshouldyoudealwithanelectricshock?9Canyouliftheavythingssafely?Unit6：DoyouknowhowtoreplaceaGFCI?*

Learningwordsandexpressionsaboutsafety-awareness*

Askingadvicefromco-workers*UnderstandingthestepstoreplaceaGFCI*WritingdownthestepstocorrectlyinstallorreplacesomeappliancesContents1LEADIN2LISTENING&SPEAKING3READING

4LIFE&CULTURE01LEADINActivity1：Match-upactivityA.aGFCIB.anelectricalservicepanelC.acircuitbreakerD.areceptacleE.asolarpanelF.acircuittesterCBDEAFActivity2：FillintheblankswiththewordsprovidedinActivity1.Tapea"Don'tTouch"noteto___________.__________standsfor“Ground-FaultCircuitInterrupter”.Youshouldremovethecoverplatefromthe________________.Youcanalsousethe_______tocutoffthepower.Testthereceptaclewitha_______.Iwanttoinstalla________ontheroof.A.aGFCI

B.anelectricalservicepanelC.acircuitbreakerD.areceptacleE.asolarpanel

F.acircuittesterDABCFE02LISTENING&SPEAKINGActivity3:Listentothedialogueandgettheroughidea.LiuMingandTomhadabusymorningtoday.Listencarefullyandfindoutwhattheyhaddonethismorning.

(LiuMingandTomareplacingthesolarpanelontheroof)LiuMing:Tom,whatdoyouthinkofplacingthepolarpanelinthemiddleoftheroof？Tom:Well,inmyopinion,it’sbettertoputitonthetoprightoftheroof.LiuMing:What’sthedifference?Tom:Thesunshineisthestrongestat12:00onthetoprightoftheroof.LiuMing:Isee.Idolearnalotfromyou,Tom.(LiuMingandTomarerepairingtheair-conditionerandthewindow)Susan:Hi,comein.LiuMing:Madam,what’swrongwiththeair-conditioner?Susan:It’snotworking.Ipressedallthebuttons;itdoesn’tseemtobeworking.LiuMing:Letmecheckit.Itisshortoffreon.Iwilladdsometoit.It’sworkingnow.Susan:Alsothewindowcannotclose.LiuMing:Justpressdownonthisleverandthewindowwillclose.See?Susan:ThankyouverymuchLiuMing:Youarewelcome.

Activity3:Listentothedialogueandgettheroughidea.Activity4:RoleplayScenario:Youworkinaforeigncompany.Youandyourpartnerareworkingattheplaza.Trytotroubleshootthetechnicalproblems.Thetoiletisblocked.Thereisnohotwater.ThereissomethingwrongwiththeheaterTheservicepanelisnotworking.Usefulsentencestructures:…isn’tworking.…doesn’twork.Thereissomethingwrongwith…Whatdoyouthinksof…?Howabout/whatabout…?Inmyopinion,we’dbetter…

A:Whatdoyouthinkof…?B:Ithinkweshould…A:Howabout…?B:…A:…Activity

4:Roleplay03READINGActivity5:Learntorecognizethesigns.

BluecirclesignsshowprotectiveequipmentmustbewornActivity5:Matchthepicturestothewordsorexpressions.

Theoutletneedsreplacing.UpgradetheoutletwithanewGFCI.Turnoffthepower.ConnectwirestotheGFCIreceptacle.Removetheoldoutlet.TestGFCIandreplacethecoverplate.165342Activity6:ReadthepassageandtellthestepstoreplaceaGFCI.Upgradea2ProngOutletwithaNewGFCIGFIorGFCIisshortfor"Ground-FaultCircuitInterrupter"whichisaspecialelectricalreceptacleoroutletthatcanstopelectricalpowerwithinmilliseconds.ThefollowingarethestepstoreplaceaGFCIreceptacleinproperorder.Step1Turnoffpoweratservicepanel.Step2Removeoldoutlet.Step3ConnectwirestonewGFCIreceptacle.Step4ReinstallGFCIandcoverplateStep5TurnpowerbackontoservicepanelStep6TestGFCIreceptacleActivity

7:Reorderthesixsteps.

()ConnectwirestonewGFCIreceptacle.()ReinstallGFCIandcoverplate()Turnoffpoweratservicepanel.()TestGFCIreceptacle()Removeoldoutlet.()Turnpowerbackontoservicepanel341625Activity7:Reorderthesixsteps.Step1Turnoffpoweratservicepanel.Step2Removeoldoutlet.Step3ConnectwirestonewGFIreceptacle.Step4ReinstallGFIandcoverplateStep5TurnpowerbackontoservicepanelStep6TestGFIreceptacleActivity8RetellthestepsinEnglish.

Firstofall,______________________atservicepanel.Secondly,remove_____________________________.Andthen,__________________wirestonew______________________.Next,reinstall______________and_______________________.Afterthat,turn________________backonto_________________________.Finally,test______________________________________.turnoffpoweroldoutletconnectGFCIreceptacleGFCIcoverplatepowerservicepanelGFCIreceptacleActivity9:Readthepassageandchoosethebesttitleforit.Ifthewiresarelongenough,proceedasfollows:OnthebackoftheGFIreceptacle,you'llseefourterminals.Twoarefor"Line"andtwoarefor"Load".InsingleGFCIinstallations,weonlyusethe"Line"terminals.Connecttheblackwiretothebrasscolored"Line"terminalscrew.Connectthewhitewiretothesilvercolored"Line"terminalscrew.GentlyfoldupthewiresbackintheboxandpresstheGFIintotheoutletbox.ScrewtheGFIreceptacletotheelectricalboxtofasten.AConnectWirestoGFIReceptacleBReplaceaGFIReceptacleCTestaGFIReceptacleActivity10:Readthestatements.Telltruefromfalse.

()1.OnthebackoftheGFCIreceptacle,you'llseetwoterminals.()2.InalloftheGFCIinstallations,weusethe"Line"terminals.()3.Connecttheblackwiretothesilvercolored"Line"terminalscrew.()4.FoldupthewiresbackintheboxandpresstheGFIintotheoutletbox.()5.TheGFCIreceptacleshouldbescrewedtotheelectricalboxtofastenFFFTTActivity11:Putthewordsorexpressionsintheblanksinthepassage.A.wires; B.foldup;

C.asfollows;

D.colored; E.terminals;F.brass; G.installations; H.outletbox;

I.electricalboxIfthe________arelongenough,proceed_________:OnthebackoftheGFIreceptacle,you'llseefour________.Twoarefor"Line"andtwoarefor"Load".InsingleGFCI___________,weonlyusethe"Line"terminals.Connecttheblackwiretothe__________colored"Line"terminalscrew.Connectthewhitewiretothesilver___________"Line"terminalscrew.Gently__________thewiresbackintheboxandpresstheGFIintothe__________.ScrewtheGFIreceptacletothe_____________tofasten.AECGFDHBI04LIFE&CULTURELIFE&CULTURE

Herearesometipsonhowtoevaluateanelectrician.

Herearetheproceduresonhowtoevaluateanelectrician.

1.Callanelectricianandscheduleameeting.Askhimtobringatleasttwoorthreereferencesforsimilarwork.

2.Meetwiththeelectricianandcheckforappearance,cleanliness,andprofessionalmanner.Askforthelistofreferences.

3.Afteryourfirstmeeting,callthereferences.Ifyouaresatisfiedwiththeresponses,calltheelectricianandaskforawrittenquotation,orcontract.Unit7：Areyouskilledatwiring?*

Communicatingwithco-workersaboutIECwiringcodes*

Understandingsimpleandcompoundcircuits*DrawingadiagramusingIECwiringcodesContents1LEADIN2LISTENING&SPEAKING3READING

4LIFE&CULTURE01LEADINActivity1：Recognizethecolorsoftheconductors.brownredgreen-yellowblackbluegreyActivity2：Matchtheexpressionstothepictures,thenfillintheblanks.1.PictureAisa

thatTomwantstoread.2.PictureBis

fortheprotectiveground/earth.3.PictureCis

forabatterypowersupply.ABC()acircuitsymbol()awiringdiagram()alabelCABa

wiringdiagramalabelacircuitsymbol02LISTENING&SPEAKINGActivity3:Listentothedialogueandgettheroughidea.LiuMingisworkinginthedistributionroom.HeistalkingwithTomabouthiswork.

Tom:Hi,LiuMing.Whatareyoudoing?LiuMing:Hi,Tom.I’mreadingawiringdiagram.I’mgoingtoinstallalightforthemeetingroom.Tom:Readingwiringdiagramsisdifficult,isn’tit？LiuMing:Yes,itis.Therearetoomanycircuitsymbols.Tom:Indeed,therearesomanysymbols.Whatdoesthissymbolmean?LiuMing:That’sasimpleone.Itmeans“avoltmeter”.Tom:Howaboutthisone?LiuMing:Isupposeitmeans“anAcSource”.Tom:Trythisone.LiuMing:It’sadifficultone.Doesitmean“aDCpowersupply”?LiuMingispracticing.Tom:Goodjob.WhatcolorisfortheprotectiveearthaccordingtoIEC(InternationalElectrotechnicalCommission)colorcodes?LiuMing:Isupposeitisthegreen-yellowone.Tom:Whatisthelabel?LiuMing:ThelabelisPE.Tom:Welldone!

Activity3:Listentothedialogueandgettheroughidea.Activity4:Roleplay

Scenario:Youworkinaforeigncompany.Youandyourpartnerareworkinginthedistributionroom.alightbulbanammeterProtectiveEarthFunctionLabelIECColourNeutralNblueLine,singlephaseLBrownUsefulsentencestructures:Whatdoesthissymbolmean?Whatdoesthissymbolstandfor?Itmeans…Itstandsfor…Isuppose…

A:Hi,…Whatareyoudoing?B:Hi,…I’mreadingawiringdiagram.…I’mgoingto…A:Whatdoesthissymbolmean?B:Itmeans…A:…Activity

4:Roleplay03READINGActivity

5:Readthepassage.Workoutthewiringcolorcodes

MostofEuropeabidesbyIEC(InternationalElectrotechnicalCommission)wiringcolorcodesforACbranchcircuits.ThesearelistedinTablebelow.

IECACpowercircuitwiringcolorcodes.Activity5:Readthepassage.

FunctionLabelIECColorProtectiveearthPEgreen-yellowNeutralNblueLine,singlephaseLbrownLine,1-phaseL1brownLine,2-phaseL2blackLine,3-phaseL3greyActivity

6:Askyourpartnerthefollowingquestions.WhatdoesPEstandfor?Whatcolorisusedforthe“protectiveearth”wire?Whatcolorisusedfortheneutralline?Whatcolorisusedforasinglephaselinewire?Whatcolorisusedfora2-phase(L2)linewire?Whatcolorisusedfora3-phase(L3)linewire?Protectiveearth.Green-yellow.Blue.Brown.Black.Grey.Activity7:Readthesimplecircuitandfillintheblanks.

Activity7:Readthesimplecircuitandfillintheblanks.FIGURE1—Asimplecircuitwillalwayscontainatleastthreeofthefivedifferentcomponentsshownhere—thepowersource,load,andconductors.SayaloudthefivecomponentsshowninFigure1.(1)__________________

(2)_____________________

(3)_

_________________(4)____________________(5)___________________SOURCECONDUCTORSSWITCHFUSELOADActivity8:Readacompoundcircuitdiagram.

Activity8:Readacompoundcircuitdiagram.

Wiringsystemscanbeconnectedupas“parallel”or“series”circuits,orcombinationsofeach.

Figure2showsacircuit.Intheschematicview,theheaterandswitchareconnected“inseries”witheachother–theelectricitygoesthroughtheswitchbeforeitreachtheheater..

Thefanmotorisconnected“inparallel”withthem–theelectricitygoesdirectlytothefan(withoutgoingthroughtheswitchfirst),andtotheswitch.–Eachhavingitsownsupplylinefromacommonsource.Thecircuithastwoparallelbranches.Onebranchhasonlyonepart,thefanmotor,theotherbranchcontainstwoparts“inseries”-theheaterandtheswitch.Inthisdiagram,theswitchcontrolsonlytheheatingelement,notthefan.Thisisaseries-parallelcombination,orcompoundcircuitActivity9:Readthetextagainandthenfillintheblankswiththegivenwords.A.parallelB.heaterC.motorD.branchesE.twoF.controlsG.switchH.seriesI.fanJ.compoundWiringsystemscanbeconnectedupas“_______”or“__________”circuits,orcombinationsofeach..Figure2showsacircuit.Intheschematicview,the_______and_________areconnected“inseries”witheachother–theelectricitygoesthroughtheswitchbeforeitreachtheheater..Thefan_________isconnected“inparallel”withthem–theelectricitygoesdirectlytothe_____(withoutgoingthroughtheswitchfirst),andtotheswitch.–eachhavingitsownsupplylinefromacommonsource.Thecircuithas_____parallelbranches.One_______hasonlyonepart,thefanmotor,theotherbranchcontainstwoparts“inseries”-theheaterandtheswitch.Inthisdiagram,theswitch_____onlytheheatingelement,notthefan.Thisisaseries-parallelcombination,or________circuit.AFJEIDCGBH04LIFE&CULTURELIFE&CULTUREElectrician'sDailyDutiesintheUS

Electriciansareinvolvedinmuchwork.Electricianscanbemenorwomen.Theseprofessionalsareresponsibleforinstallingmostelectricaldevices,maintainingthem,andkeepingtheminsafeworkingorder.Thismayincludestreetlighting,soundandentertainmentsystems,homeappliances,power-utilitytransformers,andanendlesslistofadditionalprojects.Electriciansmustperformmanydifferentdutiesonaregularbasistodohisorherjob.Unit8：Howshouldyoudealwithanelectricshock?*

Rescuingavictimofelectricshock*

Reportinganemergencyoverthephone*Writingashortarticleconcerningfirstaid*Developingsafety-awareness,athome,andon-the-jobContents1LEADIN2LISTENING&SPEAKING3READING

4LIFE&CULTURE01LEADINActivity1：Matchthewordsandexpressionstothepictures.Aambulance;Bfirstaidkit;Ccheckingthebreathandpulse

DperformingCPR;

Ereportingtheemergency;FstretcherEBFACDActivity2：Fillintheblanks.A.ambulance;B.firstaidkit;C.checkingthebreathingandpulseD.performingCPR;E.reportingtheemergency;F.stretcherErichasgotaninjury.Tonyis______________.Paulhasgotanelectricshock.Susanis___________.Lilyis________________________________ofPaul.TonyandPaulneed_________________.Weneedan__________and________forthefirstaid.EDCAFB02LISTENING&SPEAKINGActivity3:Listentothedialogueandgettheroughidea.LiuMingandTomareworkingataconstructionsite.Tomhasfallenfromthescaffoldandisinjured.Listenandgettheroughidea,especiallypayattentiontotheproceduresLiuMingcalledanambulance.

LiuMing:Hello，120?Iwanttoreportanemergency!Weneedanambulance!Hurry!EmergencyDispatcher:Allright,Sir,calmdown,Iwillhelpyou.MayIhaveyourname,please?LiuMing:Yes,mynameisLiuMing.Wedohaveanemergency,you…Dispatcher:Whatisyourtelephonenumber,please?LiuMing:Mytelephonenumber?It’s12382931357.Dispatcherconfirming:12382931357?Dispatcher:Thankyou.Whatistheemergency?LiuMing:Weneedanambulanceimmediately!Dispatcher:Tellmeclearly.Whathappened?LiuMing:Justnow,mycolleagueTomfellfromascaffoldandcan’tstandup.He’sinpainandhe’shurthisarmtoo!Dispatcher:Ishebleeding?LiuMing:…no,notanymore.We’veputadressingonit.

Activity3:Listentothedialogueandgettheroughidea.Dispatcher:Whatisyouraddress?LiuMing:Number5DaLuEast.Dispatcherconfirming:Number5DaLuEast?LiuMing:Yes,that’sright!Pleasehurry!Dispatcher:Okay,don’ttrytomovethepatient...Stopthebleedingifthereisany.Theambulanceisonitsway.

Activity3:Listentothedialogueandgettheroughidea.Activity4:Roleplay

Scenario:Yourpartnerandyouareworkingontheconstructionsite.Anaccidenthappens.Youcallanambulancetohelpyourpartner.

a

seriousinjuryanelectricshockUsefulsentencestructures:We’veputadressingonit.He’sinpainandhe’shurt…!Wedohaveanemergency,you…

You:Hello，120?Iwanttoreportanemergency!Weneedanambulance!Hurry!EmergencyDispatcher:Allright,Sir,calmdown,Iwillhelpyou.MayIhaveyourname,please?You:Mynameis…Dispatcher:…Activity

4:Roleplay03READINGActivity5:ReadthepassageandfinishActivities6-8.HowtodealwithanelectricshockWhatshouldyoudoifsomeonehassufferedanelectricshock?Here’swhattodo:1.Ifyouarewithsomeone,callforhelp!120,110.2.Ifyouarebyyourself,helpthevictimfirst,andshoutforhelp!3.Lookfirst.Don'tgetnearhigh-voltagewiresuntilthepoweristurnedoff.4.Don'ttouchtheperson.Thepersonmaystillbeincontactwiththeelectricalsource.Touchingthepersonmayshockyoutoo.Immediatelytrytoturnoffthepowersource.Ifyoucannotturnitoff,trytoremovethepowersource,byusingaNON-CONDUCTING,DRYobject,forexamplecardboard,plastic,rope,orwood.5.Oncethepersonhasbeenfreedofthepowersource,checkforlife-signs.Iftherearenolife-signs,immediatelybeginCPR.Activity6:Fillintheblankswiththeunderlinedpartsoftheabovepassage.

checkforlife-signsshoutforhelpturnoffthepowersourcecallforhelp!120,110trytoremovethepowersource,byusingaNON-CONDUCTING,DRYobjectbeginCPRActivity

7:True(T)orfalse(F).（

）1Dial120firstifsomeonereceivesanelectricshock.（

）2Youarenotindangerifyoutouchthepersonwhostillbeincontactwiththeelectricalsource.（

）3Ifit'spossible,switchofftheelectricitysource.（

）4Ifyoucannotswitchofftheelectricity,removethesourceofelectricitybyusinganyobjectaroundyou.（

）5Ifthevictim’sbreathinghasstopped,sendhimtothehospitalatonce.TFTFFActivity8:Fillintheblankswiththegivenwordsandexpressions.

A.contactB.turnedoffC.checkD.shockE.removeF.CPRGcallforH.freedI.non-conductingJ.shoutfor1.Ifyouarewithsomeone,______help!120,110.2.Ifyouarebyyourself,helpthevictimfirst,and_______help!3.Lookfirst.Don'tgetnearhigh-voltagewiresuntilthepoweris______.4.Don'ttouchtheperson.Thepersonmaystillbein______withtheelectricalsource.Touchingthepersonmay______youtoo.Immediatelytrytoturnoffthepowersource.Ifyoucannotturnitoff,tryto_____thepowersource,byusinga______object,forexamplecardboard,plastic,rope,orwood.5.Oncethepersonhasbeen____fromthepowersource,______forlife-signs.Iftherearenolife-signs,immediatelybegin______.GIJBADECHFActivity9:Askyourpartnerwhattheyaredoingandwritedowntheanswers.WhatisTonydoing?WhatisSusandoing?WhatisSusandoing?WhatisSusandoing?Heistryingtoremovethepowersource,byusingaNON-CONDUCTING,DRYobject.Sheischeckingforlife-signs.Sheisshoutingforhelp.SheisperformingCPR.Activity10:Discusshowtostaysafeinthefollowingsituation.

Fallenpowerlinesareverydangerous.Therearesomethingswecandotostaysafe.

Placethenumbers1to4intheboxesshowingnumberonetobethemostimportantandnumberfourtheleastimportantthingstodotostaysafe.Activity10:Discusshowtostaysafeinthefollowingsituation.

Fallenpowerlinesareverydangerous.Therearesomethingswecandotostaysafe.Placethenumbers1to4intheboxesshowingnumberonetobethemostimportantandnumberfourtheleastimportantthingstodotostaysafe.（

）Keepothersaway.（

）Gethelp.Notifytheelectricitysupplier.（

）Keepyourselfasfarawayaspossible.（

）Findhelperswhocanmakesureeveryonekeepswellclearofthepowerlines.Ithinkthat()isthemostimportantbecause:3241Activity11:QuizAreyou“switchedon”toelectricalsafety?Readeachstatementcarefullyanddecideifitistrueorfalse.WriteTorFinthebox.Activity11:Quiz[

]Youshouldalwaysdryyourhandsbeforetouchingappliancesorswitches.[

]Inthebathroom,itisverydangeroustoleaveahairdryernexttothewashbasin,eventhoughitisturnedoffbutstillpluggedin.[

]Ifacordisbrokenyoushouldwrapelectricaltapearoundit.[

]Itisokaytobeinbarefeetwhenyouareusinganelectricalapplianceoutside.[

]Ifanapplianceorelectricaldevicecatchesfireyoushouldneverusewatertoputitout.[

]Youshouldalwayswearrubber-soledshoeswhenyouusethewashingmachine.[

]Itdoesn’tmatterhowmanyappliancesyouplugintooneoutlet.[

]Youwillbequitesafeifyoutouchbarelivewireswithonlyonehand.TFFTFFFT04LIFE&CULTURELIFE&CULTURESafetyTraining,U.S.A.,Alabama

Alabamaemployeeswhoworkononpowerlinesmustbefamiliarwithpracticesrelatedtojobsafety.Nationallawsrequirethattheseworkersbespecificallytrainedforworkinvolvingelectricpowerlines.Theirtrainingmustincludeknowledgeofrescuingcoworkersfrompoletopsandfrommanholes.FirstAid

Electricianswhoworkonpowerlinesoffifty(50)ormorevoltsmusthavetraininginCPRandfirstaid.AlabamarulesrequirethatatleasttwopeoplemusthaveCPRandfirstaidtraining,ifaworkstationhastwoormoreworkers.

Readmore:Electricians’RequirementsbeforeWorkingonPowerLinesinAlabama|eHUnit9：Canyouliftheavythingssafely?*Learnaboutmechanicalaidsforcarryingthings.*

Communicatewiththeco-workerstoincreaseworkingfficiency.*Understandtherightwaystoliftthings.*Writedownstepstofollowwhenliftingthings.*

Developtheworkplacesafetyawareness.Contents1LEADIN2LISTENING&SPEAKING3READING

4LIFE&CULTURE01LEADINActivity1：Matchthepicturestothewordsorexpressions.A.akneepadB.abackbraceC.aforkliftD.ahandtrolleyDCABActivity2：Discusswithyourpartners.Whoiswiser?Whatdoyouthinkaboutmanualhandling?02LISTENING&SPEAKINGActivity3:ListentothedialogueandgettheroughideaLiuMingisworkinginanelectronicswarehouse.Healwayshassomethingtomoveandsometimesworksovertime.Tomtalkswithhimandtellshimhowtoworkmoreefficiently.

Tom:Hi,LiuMing,whereareyoucarryingthosetheboxesto?LiuMing:I’mtakingthemtotheshippingdepartment.Tom:It’stoodangerous.Youcan’tseewhereyou’regoing.LiuMing:Iknow,butIthoughtthiswouldbefaster.Tom:Ithinkyou’dbetteruseahandtrolley.LiuMing:IhadthoughtIcouldmanageitbymyself.Tom:ButIthinkyou’dbetterusethetrolley.It’smoreefficientandit’sfarsafer.LiuMing:Hm-m...workefficiently...how?Tom:First,planwhatyou’regoingtodo.Thenfollowyourplan.LiuMing:That’sagoodidea.Ineverthoughtaboutplanningmywork.Ijustdoit.Tom:Second,youshouldusesomeoftheequipmenttohelpyoumovethingsaround.It’llmakeyourworkeasier.LiuMing:Ithinkso.Whatelse?Tom:Third,youshouldaskforhelpifyoucan’tmanageitbyyourself.LiuMing:That’sgoodadvice,Tom,thankyouverymuch.Tom:Youaremostwelcome.

Activity3:Listentothedialogueandgettheroughidea.

Scenario:Youseeyourpartnercarryalotofthingswithdifficulty.Talkwithhimabouthowtoworkmoreefficiently.

Activity

4:RoleplayActivity

4:RoleplayUsefulsentencestructures:Ithinkyou’dbetter…IhadthoughtIcouldmanageitbymyself.Whatelse?/Anythingelse?First,…Second,…Third,…Finally…

A:Hi,…,whereareyoucarryingthosetheboxesto?B:I’mtakingthemto…A:It’stoodangerous.Youcan’tseewhereyou’regoing.B:Iknow,butIthought…A:Ithinkyou’dbetter…B:…A:…03READINGActivity5:Findoutwhichofthefollowingfactorscausesabackpain.1.Poorposture?2.Notusingabackbrace?3.Repetitivestrain?Activity

6:Readingthepassage.GoodHandlingTechniqueforLiftingItisessentialthatyouliftthingstherightway.Followthediagramtoensureyoulifttherightwayinyourwork.

Thinkbeforeyourlift.DoIneedhelp?Whereistheloadgoing?Arethereanyaidstoh