Please capitalize where necessary: these were quanities such as the number of items produced, the quantity of labor used, the quantity of raw materials used, etc.
A: These were quanities such as the number of items produced, the quantity of labor used, the quantity of raw materials used, etc.

Q: i have watched how steadily the general feeling, as shown at elections, has been rising against slavery.

A: I have watched how steadily the general feeling, as shown at elections, has been rising against Slavery.

Q: this means that a 2:1 vote, for example, means twice as many people voted for as against; abstentions are not counted.
A: This means that a 2:1 vote, for example, means twice as many people voted for as against; abstentions are not counted.

Problem: they differ from each other from several angles, but despite their differences, the loneliness joint and therefore also similar to each other in many ways.
Can you repeat this sentence, but capitalize it?
Answer: They differ from each other from several angles, but despite their differences, the loneliness joint and therefore also similar to each other in many ways.

Text: the next important, essential for good feng shui, the principle of the correct form of land, buildings and other structures.

Correct capitalization: The next important, essential for good Feng Shui, the principle of the correct form of land, buildings and other structures.

Problem: close each package well and put them in a dish.
Can you repeat this sentence, but capitalize it?
Answer:
Close each package well and put them in a dish.