Please capitalize where necessary: a new extreme challenge is plaguing me… now i think a little’ to rest and soon after we talk about.
A: A new extreme challenge is plaguing me… now I think a little’ to rest and soon after we talk about.
Q: if the front door opens to the west and north-west, the characters of metal will give her strength and power. additionally, you can use symbols of the element earth.

A: If the front door opens to the west and north-west, the characters of Metal will give her strength and power. Additionally, you can use symbols of the element Earth.
Q: it was so, that, when those who bore the ark of yahweh had gone six paces, he sacrificed an ox and a fattened calf.
A: It was so, that, when those who bore the ark of Yahweh had gone six paces, he sacrificed an ox and a fattened calf.
Problem: they are all correct, at least in part, but none of them can be said to contain the whole truth about democracy.
Can you repeat this sentence, but capitalize it?
Answer: They are all correct, at least in part, but none of them can be said to contain the whole truth about democracy.
Text: this same formula has been used and tested by fluke's own service labs.

Correct capitalization: This same formula has been used and tested by Fluke's own service labs.
Problem: banana is the older workers, lemon is the new guys and so on.
Can you repeat this sentence, but capitalize it?
Answer:
Banana is the older workers, lemon is the new guys and so on.