Text: can eu countries restrict access to their national volunteering scheme to nationals?

Correct capitalization: Can EU countries restrict access to their national volunteering scheme to nationals?

Text: do you want to convert mp3 files to real media audio files? then mp3 to rm converter will be your best choice.

Correct capitalization: Do you want to convert MP3 files to Real Media audio files? Then MP3 To RM Converter will be your best choice.

Text: for i know that this shall turn out for me to salvation, through your supplication and [the] supply of the spirit of jesus christ;

Correct capitalization: for I know that this shall turn out for me to salvation, through your supplication and [the] supply of the Spirit of Jesus Christ;

Text: emissions to the atmosphere during production, processing and incineration are insignificant, approximately 0.

Correct capitalization:
Emissions to the atmosphere during production, processing and incineration are insignificant, approximately 0.