Please capitalize where necessary: temperature measurement accuracy 2 c or 2 % (whichever is greater)
A: Temperature measurement accuracy 2 C or 2 % (whichever is greater)

Q: on saturday we can expect cloudless weather. morning temperatures will be around 2 c. during the day they will reach a maximum of 18 c. low temperatures at night will be around 5c. we have weak southwesterly winds.

A: On Saturday we can expect cloudless weather. Morning temperatures will be around 2 C. During the day they will reach a maximum of 18 C. Low temperatures at night will be around 5C. We have weak southwesterly winds.

Q: "the four singers have fine melodiic lines to work with, and this makes the performance vocally convincing.
A: "The four singers have fine melodiic lines to work with, and this makes the performance vocally convincing.

Problem: customer who purchases a bernina receives free classes, assuring that they will take home confidence along with their machine.
Can you repeat this sentence, but capitalize it?
Answer: customer who purchases a BERNINA receives free classes, assuring that they will take home confidence along with their machine.

Text: 23 now therefore, behold, the lord hath put a lying spirit in the mouth of all these thy prophets, and the lord hath spoken evil concerning thee.

Correct capitalization: 23 Now therefore, behold, the LORD hath put a lying spirit in the mouth of all these thy prophets, and the LORD hath spoken evil concerning thee.

Problem: if you've booked a lowfare+ or flex ticket, the economy menu is included for your flight.
Can you repeat this sentence, but capitalize it?
Answer:
If you've booked a LowFare+ or Flex ticket, the Economy menu is included for your flight.