Please capitalize where necessary: the painting has its own history, described in the article travelling rachel.
A: The painting has its own history, described in the article Travelling Rachel.
Q: print everything from small labels for files and supplies, to large, easy-to-read labels for binders, office equipment, signage and more.

A: Print everything from small labels for files and supplies, to large, easy-to-read labels for binders, office equipment, signage and more.
Q: morning temperatures will be around 10 °c. during the day they will reach a maximum of 16 °c. low temperatures at night will be around 9°c. we have weak westerly winds.
A: Morning temperatures will be around 10 °C. During the day they will reach a maximum of 16 °C. Low temperatures at night will be around 9°C. We have weak westerly winds.
Problem: these backcast made considerable use of current past data to reproduce some approximation of the past temperature time series.
Can you repeat this sentence, but capitalize it?
Answer: These backcast made considerable use of current past data to reproduce some approximation of the past temperature time series.
Text: the devil feeds us lies, the world distributes them, and our hearts eat them up.

Correct capitalization: The devil feeds us lies, the world distributes them, and our hearts eat them up.
Q: make the most of our new light ticket type and pay less when travelling with carry-on baggage only.

A:
Make the most of our new Light ticket type and pay less when travelling with carry-on baggage only.