question: fitting made of old wood scaffolding, measuring 125 (height) x 22 x 22 cm, square model
Capitalize this past sentence correctly.
A: Fitting made of old wood scaffolding, measuring 125 (height) x 22 x 22 cm, square model

question: if your pc opens the dne file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating dne file extensions with the wrong software program.
Capitalize this past sentence correctly.
A: If your PC opens the DNE file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating DNE file extensions with the wrong software program.

question: prometheus was the mythic figure who stole fire from the gods and gave it to human beings so they could progress.
Capitalize this past sentence correctly.
A: Prometheus was the mythic figure who stole fire from the gods and gave it to human beings so they could progress.