QUESTION: Fix punctuation: This trend with time can be demonstrated by comparing todays usual specifications with those given in the last book on Tungsten by Yih and Wang published in 1979
ANS: This trend with time can be demonstrated by comparing today's usual specifications with those given in the last book on "Tungsten" by Yih and Wang, published in 1979.

QUESTION: Fix punctuation: This is where you learn to correctly allocate your time and resources and its one of the things that make office jobs so attractive
ANS: This is where you learn to correctly allocate your time and resources, and it’s one of the things that make office jobs so attractive.

QUESTION: Fix punctuation: You can use our software Contenta Converter PREMIUM to adjust the contrast of thousands of NEF Download now
ANS: You can use our software Contenta Converter PREMIUM to adjust the contrast of thousands of NEF. Download now

QUESTION: Fix punctuation: 86 Recreation culture and religion nec
ANS:
8.6 Recreation, culture and religion n.e.c