QUESTION: Fix punctuation: Before wide masses of soldiers acquire the experience of well choosing and selecting commanders the revolution will be beaten by the enemy which is guided in the choice of its command by the experience of centuries
ANS: Before wide masses of soldiers acquire the experience of well choosing and selecting commanders, the revolution will be beaten by the enemy which is guided in the choice of its command by the experience of centuries.

QUESTION: Fix punctuation: In about two months December and January he made more discoveries that changed the world than anyone has ever made before or since
ANS: In about two months, December and January, he made more discoveries that changed the world than anyone has ever made before or since.

QUESTION: Fix punctuation: EMAN was established as part of a research project funded by the EU in 1997
ANS: EMAN was established as part of a research project funded by the EU in 1997.

QUESTION: Fix punctuation: Passengers are required to provide personnel at the security check all fluids transported out of baggage notebooks and other large electronic devices to be checked separately
ANS:
Passengers are required to provide personnel at the security check all fluids transported out of baggage notebooks and other large electronic devices to be checked separately.