Please capitalize where necessary: i found it very hard to find alkaline drinking water without spending a small fortune.
A: I found it very hard to find alkaline drinking water without spending a small fortune.
Q: the cylindrical shape itself guarantees a vast improvement in sound quality, as the curved sides eliminate standing sound waves inside the cabinet – thus avoiding the risk of sound distortion. athena speakers allow the full power of the sound to come through – cleanly, distinctly and beautifully, without even the slightest hint of discord.

A: The cylindrical shape itself guarantees a vast improvement in sound quality, as the curved sides eliminate standing sound waves inside the cabinet – thus avoiding the risk of sound distortion. Athena speakers allow the full power of the sound to come through – cleanly, distinctly and beautifully, without even the slightest hint of discord.
Q: before you can open a sas7butl file, you'll need to figure out what kind of file the sas7butl file extension refers to.
A: Before you can open a SAS7BUTL file, you'll need to figure out what kind of file the SAS7BUTL file extension refers to.
Problem: double hoses in nylon (pa12) or polyurethane (pu).
Can you repeat this sentence, but capitalize it?
Answer: Double hoses in Nylon (PA12) or Polyurethane (PU).
Text: for the purpose of bodybuilding, choosing the right legal anabolic supplement is important, as there are many different product types on the market.

Correct capitalization: For the purpose of bodybuilding, choosing the right legal anabolic supplement is important, as there are many different product types on the market.
Please capitalize where necessary: trust arises through information.
A:
Trust arises through information.