Unit-3--Tell-me-how-to-do-it

Unit3Tellmehowtodoit1.Remember,whateveryoudo,don’tliftheavyobjects.2.Abatterychargerisadeviceusedtoputenergyintoarechargeablebatterybyputtinganelectriccurrentthroughit.3.Thechargingprotocoldependsonthesizeandtypeofthebatterybeingcharged.4.Hereisanewbatterypack,whichneedstobechargedforthefirsttime.5.Ifthebatterypackistoocoolorhasnotbeenusedforalongtime,chargingthebatterypackfullywilltakelongerthannormal.6.Thetorchwillbecomeextremelyhotifusedabovetherecommendedusagetimes.7.Usingapieceofclothtocoverthelightbulb,pullthelightbulbawayfromthetorch.8.Toprotectyourhandsfromtheheatgeneratedbythetorch,wearprotectiveglovesduringoperation.