Please capitalize where necessary: rankine apparently regarded energy, as we do today, as being classified into two kinds, viz., kinetic and potential, and his thermodynamic theory was developed by considering the transformation of one into the other.
A: Rankine apparently regarded energy, as we do today, as being classified into two kinds, viz., kinetic and potential, and his thermodynamic theory was developed by considering the transformation of one into the other.
Q: two double rooms connected by a fully equipped kitchen and bathroom.

A: Two double rooms connected by a fully equipped kitchen and bathroom.
Q: watch hacking the system videos online - national geographic channel - uk
A: Watch Hacking The System Videos Online - National Geographic Channel - UK
Problem: ironically, china’s wind resource is much stronger in winter, which makes the grid-access problem even more frustrating for the wind industry.
Can you repeat this sentence, but capitalize it?
Answer: Ironically, China’s wind resource is much stronger in winter, which makes the grid-access problem even more frustrating for the wind industry.
Text: the well padded backrest can be inclined in 7 positions from -15 to 75 degree; the seat is also variable in 3 levels.

Correct capitalization: The well padded backrest can be inclined in 7 positions from -15 to 75 degree; the seat is also variable in 3 levels.
Q: as women get older, a lot of them shortly recognize that they do not get pleasure from sex as much as they used to in their younger days.

A:
As women get older, a lot of them shortly recognize that they do not get pleasure from sex as much as they used to in their younger days.