Text: stripes: work as follows:

Correct capitalization: STRIPES: Work as follows:

Text: an eu-us summit is held in washington dc, at which the 'open skies' agreement on transatlantic air transport is signed, participants also agree to develop closer economic relations during the next few years.

Correct capitalization: An EU-US summit is held in Washington DC, at which the 'Open Skies' agreement on transatlantic air transport is signed, participants also agree to develop closer economic relations during the next few years.

Text: color match sharpie prediction magic - electronic

Correct capitalization: Color Match Sharpie Prediction Magic - Electronic

Text: unsure about which type of azw file you have? do you want to know exactly what it is, who created it, and how to open it?

Correct capitalization:
Unsure about which type of AZW file you have? Do you want to know exactly what it is, who created it, and how to open it?