Please capitalize where necessary: whatever is built up in accordance with that way of building that rules in the universe is logical.
A: Whatever is built up in accordance with that way of building that rules in the universe is logical.

Q: we proudly offer best price guarantee to our black freshwater pearl earrings.this black freshwater pearl earrings is offered at the lowest price on the market with premium quality.now it's best chance to make the discount pearl earrings deals with bjbead.com.

A: We proudly offer BEST price guarantee to our Black Freshwater Pearl Earrings.This Black Freshwater Pearl Earrings is offered at the LOWEST price on the market with premium quality.NOW it's best chance to make the discount pearl earrings deals with Bjbead.com.

Q: the very moment you set a voltage setting it changes, there is no "apply button".
A: The very moment you set a voltage setting it changes, there is no "apply button".

Problem: he is the author of 13 books on hunting subjects.
Can you repeat this sentence, but capitalize it?
Answer: He is the author of 13 books on hunting subjects.

Text: czech is a west slavic language. it is spoken by 10 million people in the czech republic. if you are keen on learning the language, our czech download is certainly a fast way to learn.

Correct capitalization: Czech is a west Slavic language. It is spoken by 10 million people in the Czech Republic. If you are keen on learning the language, our Czech download is certainly a fast way to learn.

Text: in seconds, you will learn exactly what type of wb3 file you have, the software program associated with your file, the publisher who created it, its security safety status, and a variety of other useful information.

Correct capitalization:
In seconds, you will learn exactly what type of WB3 file you have, the software program associated with your file, the publisher who created it, its security safety status, and a variety of other useful information.