Please capitalize where necessary: it shall promote scientific and technological advance.
A: It shall promote scientific and technological advance.

Q: there is something magical about that place so every time she visits her, she feels like she is in a fairy tale.

A: There is something magical about that place so every time she visits her, she feels like she is in a fairy tale.

Q: getting this support has meant everything to me, and i'm extremely grateful and happy that other than myself believed in the journey right from the start.
A: Getting this support has meant everything to me, and I'm extremely grateful and happy that other than myself believed in the journey right from the start.

Problem: you don't know reasons behind it, but if you want to access to extract the files and folders from such rar file, first you need to repair the corrupted rar file.
Can you repeat this sentence, but capitalize it?
Answer: You don't know reasons behind it, but if you want to access to extract the files and folders from such RAR file, first you need to repair the corrupted RAR file.

Text: brunettes and see the porn cartoons for free and without registration

Correct capitalization: Brunettes and see the porn cartoons for free and without registration

Text: mounting: threaded stem, top plate or tube expander

Correct capitalization:
Mounting: Threaded stem, top plate or tube expander