Please capitalize where necessary: toys, czech, old and young (18+)
A: toys, Czech, old and young (18+)

Q: as we know, the barrel forms the main part of darts. nowadays, tungsten-based tungsten alloy billets are widely used as the standard tungsten barrels material, for it has a specific gravity of 19.3(20), making it a very dense material with small volume. besides, it has superior wearing resistance, well machinability, etc.

A: As we know, the barrel forms the main part of darts. Nowadays, tungsten-based tungsten alloy billets are widely used as the standard tungsten barrels material, for it has a specific gravity of 19.3(20), making it a very dense material with small volume. Besides, it has superior wearing resistance, well machinability, etc.

Q: dorie european commission database of documents
A: DORIE European Commission database of documents

Problem: your veterinarian may find chronic non-regenerative anemia, where the body does not respond to a deficiency of red blood cells, or mild to severe neutropenia, where the body is suffering from an abnormally low amount of white blood cell neutrophils.
Can you repeat this sentence, but capitalize it?
Answer: Your veterinarian may find chronic non-regenerative anemia, where the body does not respond to a deficiency of red blood cells, or mild to severe neutropenia, where the body is suffering from an abnormally low amount of white blood cell neutrophils.

Text: venus venus is the second planet from the sun and the hottest planet in the solar system. venus is earth's twin in size, but unlike earth it's covered in ancient volcanoes!

Correct capitalization: Venus Venus is the second planet from the Sun and the hottest planet in the Solar System. Venus is Earth's twin in size, but unlike Earth it's covered in ancient volcanoes!

Problem: however, we cannot exactly call him a democrat, since the ideal society, which people according to his conviction had to arrive at, had a sovereign ruler who administered the laws. on the other hand, hobbes was the first to realise that state power is an abstract power that is above both the ruler and his subjects.
Can you repeat this sentence, but capitalize it?
Answer:
However, we cannot exactly call him a democrat, since the ideal society, which people according to his conviction had to arrive at, had a sovereign ruler who administered the laws. On the other hand, Hobbes was the first to realise that state power is an abstract power that is above both the ruler and his subjects.