Please capitalize where necessary: some of the machines presented at agritechnica are:
A: Some of the machines presented at Agritechnica are:

Q: as mentioned earlier, the components used in the hair supplement are all natural.

A: As mentioned earlier, the components used in the hair supplement are all natural.

Q: 73 files, last one added on nov 19, 2006
A: 73 files, last one added on Nov 19, 2006

Problem: in other words, keeping your body's energy conversions high will result in making more muscles and muscles are better than fat.
Can you repeat this sentence, but capitalize it?
Answer: In other words, keeping your body's energy conversions high will result in making more muscles and muscles are better than fat.

Text: when it's deleted by zonealarm extreme security, the infected dll file would be removed too.

Correct capitalization: When it's deleted by ZoneAlarm Extreme Security, the infected DLL file would be removed too.

Text: on saturday we can expect cloudless weather. morning temperatures will be around 7 c. during the day they will reach a maximum of 22 c. low temperatures at night will be around 8c. easterly winds are weak.

Correct capitalization:
On Saturday we can expect cloudless weather. Morning temperatures will be around 7 C. During the day they will reach a maximum of 22 C. Low temperatures at night will be around 8C. Easterly winds are weak.