第三章
troloverthatparticurcopyislimited,allowingresaleorlendingwithoutpermission.    6.**EducationalUse:**Certaineducationalusesofchtedmaterialsmaybepermittedunderspecifiditions,suchasinstru.    7.**TransformativeWorks:**Creationofnewworksthattransformorrepurposeexistingchtedmaterialmaybeallowedundercertaincircumstances,suchasparodyorsatire.    Theselimitationsaimtobaheisofchtownerswiththepubliterestinaccessingandusiiveworks.    Chtwimposescertainlimitationsontherightsofauthorsorcreators.Theselimitationsinclude:    1.**Duration:**Chtproteislimitedinduration.Afteracertainperiod,usuallytheauthor''''slifetimeplusasetnumberofyears,theworkehepubliainandbefreelyusedbyanyone.    2.**Fa