QUESTION: Fix punctuation: Running WinSweeper once per day using automatic scanning will ensure that your computer is always clean running fast and free of ISPELLINF errors related to temporary files
ANS: Running WinSweeper once per day (using automatic scanning) will ensure that your computer is always clean, running fast, and free of ISPELL.INF errors related to temporary files.

QUESTION: Fix punctuation: Broader hypernym beef up fortify strengthen
ANS: Broader (hypernym) beef up, fortify, strengthen

QUESTION: Fix punctuation: Exposure time per treatment 1806060 005 hours
ANS: Exposure time per treatment (180/60/60) 0.05 hours

QUESTION: Fix punctuation: One can see where the sun is in the sky
ANS:
One can see where the sun is in the sky.