This text is missing some spaces, please add them: Frenchpronunciationismorecomplicated,butonceyougetpastthattheadvancedstagesgetsimpler.
French pronunciation is more complicated, but once you get past that the advanced stages get simpler.
input question: Fix spacing: In2003,26,998tonnesofwasteplasticpackagingwerecollectedandrecycledinDenmark.

output answer: In 2003, 26,998 tonnes of waste plastic packaging were collected and recycled in Denmark.
Problem: Thecoredifferenceisthatitisavailableontheadd-onrepository,whichmeansthatithasbeentriedandtestedbyMozilla.
What's a sentence that uses these characters?
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The core difference is that it is available on the add-on repository, which means that it has been tried and tested by Mozilla.
Add spaces: In1444hebecameinterestedinastronomyandpurchasedsixteenbooksonastronomy,awoodencelestialglobe,acoppercelestialglobeandvariousastronomicalinstrumentsincludinganastrolabe.

Answer: In 1444 he became interested in astronomy and purchased sixteen books on astronomy, a wooden celestial globe, a copper celestial globe and various astronomical instruments including an astrolabe .
Thefilmisahistoricaldocu-dramamadebyAmosGitaiandadetailedreconstructionofwhatwentwrongonNovember4,1995.'Rabin,TheLastDay'followsthedaysbeforeandaftertheassassinationofRabinwithbothoriginalfootageandrecreateddramatizationsofeventsabouttheassassination.

The film is a historical docu-drama made by Amos Gitai and a detailed reconstruction of what went wrong on November 4, 1995. 'Rabin, The Last Day' follows the days before and after the assassination of Rabin with both original footage and recreated dramatizations of events about the assassination.
Add spaces: Nooneknowsifthisisrealhistoryornot,butthesystemisstillusedbymanyplayersindifferentcasinogames,includingroulette.

Answer:
No one knows if this is real history or not, but the system is still used by many players in different casino games, including roulette.