QUESTION: Fix punctuation: They dreamt of a socialism without struggle
ANS: They dreamt of a socialism without struggle.

QUESTION: Fix punctuation: Transfer from London NW 4 Hendon to London Waterloo TRQQW Train station
ANS: Transfer from London NW 4 Hendon to London Waterloo (TRQQW) Train station

QUESTION: Fix punctuation: Painting equipment is very important both in terms of the painting process and the outcome of surface treatments
ANS: Painting equipment is very important, both in terms of the painting process and the outcome of surface treatments.

QUESTION: Fix punctuation: Laser scanning confocal fluorescence microscopy was used to take images at different time points from 15 minutes to 6 hours
ANS:
Laser scanning confocal fluorescence microscopy was used to take images at different time points, from 15 minutes to 6 hours.