It requires high heat and constant contact with the cooking surface.

If the ice were melting, then it would require heat from the surrounding air.

Some of the replacements were sweating more than the heat required.

But I am not surprised; the spring has been warm this year, and strawberries require heat, sir.

In order to thrive, a fire requires fuel, oxygen, and heat.

Most are already fully cooked and require only heat.

To achieve some of these improved properties the metal may require heat treating.

In my testing, the heat required constant adjusting to keep the control modulated.

Despite requiring very specific humidity and heat, this species is commonly found in the pet trade.

The process frees vast amounts of energy but usually requires tremendous heat to get started.