QUESTION: Fix punctuation: Some 450 projects and events are currently involved and the Kolding project is the first housing association project in Denmark to be selected for the campaign
ANS: Some 450 projects and events are currently involved, and the Kolding project is the first housing association project in Denmark to be selected for the campaign.

QUESTION: Fix punctuation: Finally you can now discover everything you need to know about your TIFF file instantly
ANS: Finally, you can now discover everything you need to know about your TIFF file... instantly!

QUESTION: Fix punctuation: The treatment that he underwent was particularly brutal
ANS: The treatment that he underwent was particularly brutal.

QUESTION: Fix punctuation: We will have the drone flying through the theatre races as well tomorrow
ANS:
We will have the drone flying through the theatre races as well tomorrow.