QUESTION: Fix punctuation: When Reidemeister was appointed as associate professor of geometry at the University of Vienna in 1923 he became a colleague of Wirtinger
ANS: When Reidemeister was appointed as associate professor of geometry at the University of Vienna in 1923 he became a colleague of Wirtinger.

QUESTION: Fix punctuation: I n the other end of the spectrum formula boards are fantastic for older and hardened windsurfers who still have the strengths but who perhaps have lost some of their agility and the thrill by always sailing on the border of their ability
ANS: I n the other end of the spectrum formula boards are fantastic for older and "hardened" windsurfers, who still have the strengths - but who perhaps have lost some of their agility and the thrill by always sailing on the border of their ability.

QUESTION: Fix punctuation: 2 months ago 2500 Analdin penis small tits 18 small cock skinny Russian swallow
ANS: 2 months ago 25:00 Analdin penis, small tits, 18, small cock, skinny, Russian, swallow

QUESTION: Fix punctuation: If you are prone to acne testosterone triggers the sebaceous glands to produce excess sebum At the same time the dead skin cells do not come off properly and blocaza follicles
ANS:
If you are prone to acne, testosterone triggers the sebaceous glands to produce excess sebum. At the same time, the dead skin cells, do not come off properly and blocaza follicles.