Please capitalize where necessary: however, underneath the cordiality and spirit of the conference was a smouldering worry, an elephant in the room: the tremendous price that jamaicans pay for electricity.
A: However, underneath the cordiality and spirit of the conference was a smouldering worry, an elephant in the room: the tremendous price that Jamaicans pay for electricity.

Q: always a friendly and welcoming climate!

A: Always a friendly and welcoming climate!

Q: in what year did the turks invade northern cyprus? and so on. well, and then the last question: "how old am i?"
A: In what year did the Turks invade northern Cyprus? And so on. Well, and then the last question: "How old am I?"

Problem: the variable barbell stand is multiple adjustable in width and height. the taurus barbell rack pro is suitable for exercises in standing position or in combination with a weight bench.
Can you repeat this sentence, but capitalize it?
Answer: The variable barbell stand is multiple adjustable in width and height. The Taurus barbell rack Pro is suitable for exercises in standing position or in combination with a weight bench.

Text: right front piece: cast on like left front piece.

Correct capitalization: Right front piece: Cast on like left front piece.

Problem: bou camp nou can be reserved only if the booking start date is between 31 dec 2015 - 15 jan 2016
Can you repeat this sentence, but capitalize it?
Answer:
Bou Camp Nou can be reserved only if the booking start date is between 31 Dec 2015 - 15 Jan 2016