Please capitalize where necessary: for this purpose, the complex has its own district cooling plant.
A: For this purpose, the complex has its own district cooling plant.

Q: it is impossible to make head or tail of this.

A: It is impossible to make head or tail of this.

Q: in the case that your skf file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit skf file extensions.
A: In the case that your SKF file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit SKF file extensions.

Problem: we are to be light to the world without allowing the world to diminish our light. "you are the light of the world. a city on a hill cannot be hidden.
Can you repeat this sentence, but capitalize it?
Answer: We are to be light to the world without allowing the world to diminish our light. "You are the light of the world. A city on a hill cannot be hidden.

Text: localized versions will be released when the localization work is done.

Correct capitalization: Localized versions will be released when the localization work is done.

Problem: but jesus looking on them says, with men it is impossible, but not with god; for all things are possible with god.
Can you repeat this sentence, but capitalize it?
Answer:
But Jesus looking on them says, With men it is impossible, but not with God; for all things are possible with God.