Please capitalize where necessary: for adjustment of the handle to the work situation and body height, the handles can be individually adjusted from 210 to 390 cm in 26 cm steps.
A: For adjustment of the handle to the work situation and body height, the handles can be individually adjusted from 210 to 390 cm in 26 cm steps.

Please capitalize where necessary: it is friendship, love and togetherness under one roof until an earth-shattering love affair puts the community and the commune to its greatest test yet.
A: It is friendship, love and togetherness under one roof until an earth-shattering love affair puts the community and the commune to its greatest test yet.

Please capitalize where necessary: 10 if he cut off, and shut up, or gather together, then who can hinder him?
A: 10 If he cut off, and shut up, or gather together, then who can hinder him?

Please capitalize where necessary: humans were not even around 65 million years ago, never mind people who could work metal.
A:
Humans were not even around 65 million years ago, never mind people who could work metal.