QUESTION: Fix punctuation: In general lowflow lesions tend to cause fewer troubling neurological symptoms and require less aggressive treatment than do AVMs
ANS: In general, low-flow lesions tend to cause fewer troubling neurological symptoms and require less aggressive treatment than do AVMs.

QUESTION: Fix punctuation: The AppsKey part lists all supported keyboard keys and mouse buttons that ShowOff echoes when they are activated
ANS: The AppsKey part lists all supported keyboard keys and mouse buttons that ShowOff echoes when they are activated.

QUESTION: Fix punctuation: They called a second ambulance
ANS: They called a second ambulance.

QUESTION: Fix punctuation: 50mm is not whether these units rest on the bottom of the pontoon manufactured amplifier pontoon for your example
ANS:
50mm is not whether these units rest on the bottom of the pontoon? (manufactured amplifier pontoon for your example)