Please capitalize where necessary: the two brothers florent and damien burle have run the domain since the death of their father edmund burle in 2004.
A: The two brothers Florent and Damien Burle have run the domain since the death of their father Edmund Burle in 2004.

Q: black premium suede strap, 2.5-inch width. also available in brown suede (bss-25-brn).

A: Black premium suede strap, 2.5-inch width. Also available in brown suede (BSS-25-BRN).

Q: morning temperatures will be around 11 c. during the day they will reach a maximum of 19 c. low temperatures at night will be around 9c. we have weak southwesterly winds.
A: Morning temperatures will be around 11 C. During the day they will reach a maximum of 19 C. Low temperatures at night will be around 9C. We have weak southwesterly winds.

Problem: this does not prove that he was born in lassahn - only that he knew somebody in lassahn well enough for them to vouch for him.
Can you repeat this sentence, but capitalize it?
Answer: This does not prove that he was born in Lassahn - only that he knew somebody in Lassahn well enough for them to vouch for him.

Text: this allows the intelligence of windows to decide the correct software application to open your theme file.

Correct capitalization: This allows the intelligence of Windows to decide the correct software application to open your THEME file.

Text: in the micro-world the atoms are small centres of force around which there are small planets or globes, the so-called electrons.

Correct capitalization:
In the micro-world the atoms are small centres of force around which there are small planets or globes, the so-called electrons.