QUESTION: Fix punctuation: The new bus video demodulator BVD permits the video signal to be fed to the TV screen or other video systems
ANS: The new bus video demodulator (BVD) permits the video signal to be fed to the TV screen or other video systems.

QUESTION: Fix punctuation: To wreak revenge revenge and yet more revenge on the criminals and to obliterate them is the great wish that people have in common In all camps among all groups of people on all battlefields or war zones people are crying out for the criminals that is say their opponents to be punished
ANS: To wreak revenge, revenge and yet more revenge on the "criminals" and to obliterate them is the great wish that people have in common. In all camps, among all groups of people, on all battlefields or war zones, people are crying out for the "criminals", that is say their opponents, to be punished.

QUESTION: Fix punctuation: Allan Torp began his stay at Kurhotel Skodsborg with a new eyeopening experience SaunaGus mist sauna
ANS: Allan Torp began his stay at Kurhotel Skodsborg with a new, eye-opening experience: SaunaGus (mist sauna).

QUESTION: Fix punctuation: A manufacturer of LED FLUORESCENT TUBE Led T5 at zhongshan karnar lighting electron factory
ANS:
A manufacturer of LED FLUORESCENT TUBE Led T5 at zhongshan karnar lighting & electron factory.