QUESTION: Fix punctuation: Background information 2 How a vanadium redox flow battery works
ANS: Background information 2: How a vanadium redox flow battery works

QUESTION: Fix punctuation: The establishment of a European Unified Patent Court System is closely related to the establishment of a Unitary Patent for the EU These initiatives have the potential to minimise costs and make it easier to obtain and enforce patent rights in the EU which considerably eases the burdens for enterprises in the EU
ANS: The establishment of a European Unified Patent Court System is closely related to the establishment of a Unitary Patent for the EU. These initiatives have the potential to minimise costs and make it easier to obtain and enforce patent rights in the EU, which considerably eases the burdens for enterprises in the EU.

QUESTION: Fix punctuation: This is the third volume in Hans Edvard NrregrdNielsens popular series of period pictures and is thus a sequel to In Living Memory and The Court in Ribe
ANS: This is the third volume in Hans Edvard Nrregard-Nielsen's popular series of "period pictures," and is thus a sequel to In Living Memory and The Court in Ribe.

QUESTION: Fix punctuation: Two factions of the PPP emerged behind Burnham and Jagan
ANS:
Two factions of the PPP emerged behind Burnham and Jagan.