QUESTION: Fix punctuation: As with any sort of convenient CPU storage media there is often a threat of unintentionally losing files from SanDisk Micro SD card
ANS: As with any sort of convenient CPU storage media, there is often a threat of unintentionally losing files from SanDisk Micro SD card.

QUESTION: Fix punctuation: 22 The Philistines came up yet again and spread themselves in the valley of Rephaim
ANS: 22 The Philistines came up yet again, and spread themselves in the valley of Rephaim.

QUESTION: Fix punctuation: David S Saxon Elementary Quantum Mechanics HoldenDay 1968
ANS: David S. Saxon, Elementary Quantum Mechanics Holden-Day, 1968.

QUESTION: Fix punctuation: Details related to subnormal vs optimal levels of Immunoglobulins May 2010 Newsletter p 1516
ANS:
Details related to sub-normal vs. optimal levels of Immunoglobulins, May 2010 Newsletter, p. 15-16