Please capitalize where necessary: in addition, you can also have connection wi-fi, heating and air-conditioning, iron, safe and washing machine / dryer.
A: In addition, you can also have connection Wi-Fi, heating and air-conditioning, iron, safe and washing machine / dryer.

Q: the producers of this supplement have claimed that you will be satisfied with the outcomes as it contains special components which might not exist in any other bodybuilding supplements readily available in the marketplace.

A: The producers of this supplement have claimed that you will be satisfied With the outcomes as it contains special components which might not exist in any other bodybuilding supplements readily available in the marketplace.

Q: christ himself taught that there is life after death.
A: Christ Himself taught that there is LIFE AFTER DEATH.

Problem: 9 my beloved is like a roe or a young hart: behold, he standeth behind our wall, he looketh forth at the windows, shewing himself through the lattice.
Can you repeat this sentence, but capitalize it?
Answer: 9 My beloved is like a roe or a young hart: behold, he standeth behind our wall, he looketh forth at the windows, shewing himself through the lattice.

Text: at some point we reach to a finished new product - and we then start producing and marketing it.

Correct capitalization: At some point we reach to a finished new product - and we then start producing and marketing it.

Text: there's an art to driving a truck.

Correct capitalization:
There's an art to driving a truck.