Please capitalize where necessary: in principle, vulcanisation is treatment of crude rubber (caoutchouc) with sulphur which gives the rubber better elastic properties and improves its resistance to many chemicals, temperature fluctuations and influence by the air, makes it impenetrable by water, air (partly), and gives it good insulating properties.
A: In principle, vulcanisation is treatment of crude rubber (caoutchouc) with sulphur which gives the rubber better elastic properties and improves its resistance to many chemicals, temperature fluctuations and influence by the air, makes it impenetrable by water, air (partly), and gives it good insulating properties.

Q: 4. there is only one cafe ingazipasa airport. to go tocafe in airport, you must pass from security control! absolutely nonsense!

A: 4. There is only one cafe inGazipasa Airport. To go tocafe in airport, you must pass from security control! Absolutely nonsense!

Q: other games like the bigfoot project
A: Other games like The Bigfoot Project

Problem: the history of ravenhearst manor is shrouded in mystery.
Can you repeat this sentence, but capitalize it?
Answer: The history of Ravenhearst Manor is shrouded in mystery.

Text: and thus disbelieving humanity continues stumbling on its way, piling up the mountains of human woes, discontent, unhappiness, sorrow, pain, suffering and death.

Correct capitalization: And thus disbelieving humanity continues stumbling on its way, piling up the mountains of human woes, discontent, unhappiness, sorrow, pain, suffering and death.

Text: neither do people light a lamp and put it under a bowl. instead they put it on its stand, and it gives light to everyone in the house.

Correct capitalization:
Neither do people light a lamp and put it under a bowl. Instead they put it on its stand, and it gives light to everyone in the house.