The key, he added, is making certain not to switch to vegetable oil until it has reached the proper temperature.

In this case, the control system is very critical to maintaining a proper temperature.

This produced much the same effect as heating at the proper temperature for the right amount of time.

Cook food to proper temperatures to kill the harmful bacteria.

It would take at least a day for them to fill and come up to proper temperature.

Was it kept at the proper temperature, and is it now safe to eat?

"Being able to retain proper temperatures for hot and cold food is very hard," she said.

That assumes the wine has been chilled to the proper temperature.

The two most common mistakes are not cooking the food to the proper temperature, and failing to wash hands.

She turned toward him once she finally got it at the proper temperature.