Computerscaninjureyou.Mostotherinjurieshappensuddenly.的文章翻译Computerscaninjureyou.Mostotherinjurieshappensuddenly.Forexample,ifyoufalloffabikeandbreakyourarms,ithappensveryquickly.Butcomputerinjurieshappenslowly.Youprobablyknowhowtorideabikesafely.Nowlearntouseacomputersafely.YoureyesToomuchlightcaninjureyoureyes,soneversittooclosetoacomputerscreen.Youreyesshouldbeatleast50centimetersfromthescreen.Remembertolookawayfromitsometimes.Thisgivesyoureyesarest.Whenyouuseacomputer,thewindowshouldbeonyourleftoryourright.Ifitisbehindyou,thelightwillreflectonthescreen.Ifthewindowisinfrontofyou,thesunandthescreenwillbothshineintoyoureyes.YourhandsandwristsHandandwristinjuriescanhappenbecausethehandsandwristsaremovedinthesamewayhundredsoftimes.Ifyouuseakeyboardforalongtime,followthesethreerules:1)Restyourwristsonsomething.2)Keepyourelbowsatthesameheightasthekeyboard.3)Stopsometimesandexerciseyourhands,wristsandfingersinadifferentway.YourbackSomepeoplesitformanyhoursinfrontofacomputer.Ifyousitinthewrongway,youcaninjureyourbackoryourneck.Soyoushouldsitwithyourbackstraight.Thetoppartofthescreenshouldbeinfrontofyoureyes.Yourforearms,wrists,handsandtheupperpartofyourlegsshouldallbeparalleltothefloor.Ifyouaresittingforalongtime,getupevery30minutesandexerciseyourarms,legsandneck.Enjoyyourcomputer,butuseitsafely.