Meanings of using the heat in English

We take in fuel and oxidize it, using the heat as our source of power.

In the evening I could dry them out using the heat of the fire and a little careful sympathy.

This would then descend to the surface of Mars, using the heat shield to moderate its speed and prevent burn-up.

The professor, however, persevered, and finally procured it.... My brother, Dr. Edward Cutbush, succeeded in procuring it by using the heat of a black-smith's forge.

Using the heat of your blood could be called reckless, E'lir Kvothe.