There has to be a gasket between the lid and the pot so that it will seal. It is not possible to machine a smooth enough surface on something like this for general use. It would make a pressure cooker much too expensive.
There are a select few benefits to using a pressure cooker. The benefits to using this device are as follows: healthy, efficient, safe and versatile.
http://www.redhillgeneralstore.com/pdf/mirromanual.pdf
The website http://allrecipes.com//Recipes/everyday-cooking/pressure-cooker/Main.aspx has some great recipes available. They are easy to make and very simple when using the pressure cooker.
Between cooking with a normal pot and a pressure cooker the difference in terms of time is not much. The pressure cooker can be used depending on the type of food that is cooked.
the kipper cooker
susan
Dulce De Leche can be purchased ready made or if using a can of condensed milk can be placed in a pressure cooker for 45 minutes.
To heat food by only using power from the energy of the sun
it does not allow the nutrients to escape
it does not allow the nutrients to escape
One of the more well researched reasons to cook with a pressure cooker, is because they retain all the vitamins of the food as they cannot escape through steam as they do when you boil your vegetables. Another benefit to using a pressure cooker is the amount of time you'll save. You chop up your vegetables and cuts of meat and you'll have a delicious, flavorful meal in minutes.
To measure pressure