QUESTION: Fix punctuation: At Titan poker join and represent your country and be the challenger of the world
ANS: At Titan poker, join and represent your country and be the challenger of the world.

QUESTION: Fix punctuation: Infrastructure costs drop to an average of 279 per device 73 less than the cost of the composite alternative
ANS: Infrastructure costs drop to an average of $279 per device, 73% less than the cost of the composite alternative.

QUESTION: Fix punctuation: These free applications will enable you to jumpstart your implementation and enable you to capitalise on your investment with minimal delay and cost
ANS: These free applications will enable you to jumpstart your implementation and enable you to capitalise on your investment with minimal delay and cost.

QUESTION: Fix punctuation: Upon this she became a member of the teaching staff at Wiley College in Marshall Texas between 1942 and 1945
ANS:
Upon this she became a member of the teaching staff at Wiley College, in Marshall, Texas, between 1942 and 1945.