Add spaces: InvolvedinEuropeancooperationsince1991,Delphishasledorbeenparticipatinginmorethan30Europeanprojects,manyofwhichfocusonthetopicofenergysavingsinsocialhousing.

Answer: Involved in European cooperation since 1991, Delphis has led or been participating in more than 30 European projects, many of which focus on the topic of energy savings in social housing.

Add spaces: Moreinformation:TheDebianIPv6mailinglist

Answer: More information: The Debian IPv6 mailing list

Add spaces: "chester"makehisparallelparking,thereplay...

Answer:
"chester" make his parallel parking, the replay...