Add punctuation: Click the boxes for the Ecophon systems which are present in your project
A: Click the boxes for the Ecophon systems which are present in your project.

Add punctuation: Your blood oxygen level is a measurement how much oxygen is reaching your muscles
A: Your blood oxygen level is a measurement how much oxygen is reaching your muscles.

Add punctuation: You may run into the same problem as Theodore Salvant from Malta lets see what helps this friend solving it My Sylvania has experienced FXSWZRDDLL was not found problem when playing Star Trek The Game
A:
You may run into the same problem as Theodore Salvant from Malta, let's see what helps this friend solving it -- "My Sylvania has experienced "FXSWZRD.DLL was not found" problem when playing Star Trek: The Game.