QUESTION: Fix punctuation:  user defined single wire or balanced system
ANS: • user defined single wire or balanced system.

QUESTION: Fix punctuation: 7 And the house when it was being built was built of stone entirely made ready before it was brought thither so that there was neither hammer nor axe nor any tool of iron heard in the house while it was being built
ANS: 7 And the house, when it was being built, was built of stone entirely made ready before it was brought thither; so that there was neither hammer nor axe nor any tool of iron heard in the house while it was being built.

QUESTION: Fix punctuation: Regardless of whether its day or night Barceloneta is a buzzing hot spot at all hours
ANS: Regardless of whether it’s day or night Barceloneta is a buzzing hot spot at all hours.

QUESTION: Fix punctuation: One of the primary roles of probiotics is promoting digestion
ANS:
One of the primary roles of probiotics is promoting digestion.