QUESTION: Fix punctuation: Product descriptions and specifications are based on information sites of manufacturers Scope of delivery performance and appearance of a vacuum cleaner Astor ZW218 are subject to change without notice
ANS: Product descriptions and specifications are based on information sites of manufacturers. Scope of delivery, performance and appearance of a vacuum cleaner Astor ZW-218 are subject to change without notice.

QUESTION: Fix punctuation: DAlembert helped to resolve the controversy in mathematical physics over the conservation of kinetic energy by improving Newton s definition of force in his Trait de dynamique which he published in 1743
ANS: D'Alembert helped to resolve the controversy in mathematical physics over the conservation of kinetic energy by improving Newton 's definition of force in his Traite de dynamique which he published in 1743.

QUESTION: Fix punctuation: Angle told Reuters that iRobot which made Roomba compatible with Amazons Alexa voice assistant in March could reach a deal to sell its maps to one or more of the Big Three Amazon Apple and Googles Alphabet in the next couple of years None of the three commented on this story
ANS: Angle told Reuters that iRobot, which made Roomba compatible with Amazon's Alexa voice assistant in March, could reach a deal to sell its maps to one or more of the Big Three Amazon, Apple and Google's Alphabet in the next couple of years. None of the three commented on this story.

QUESTION: Fix punctuation: The most obvious way in which you and Brad affect each other is through the activation of each others emotions and desires
ANS:
The most obvious way in which you and Brad affect each other is through the activation of each other's emotions and desires.