On 2005-02-28, zxcvbob > wrote:

> I believe you are getting confused by the difference between a pressure
> cooker and a pressure canner. Pressure canners are a subset of usually
> large pressure cookers that are designed to hold jars (or cans) of food
> on a rack and have precise pressure controls.

While I agree, I think you are also confusing the issue. Pressure
canners do the exact same thing as pressure cookers. They both apply
heat to food, which is one of the definitions of cook.

nb