let the cylinder cool to ambient temperature between gas additions. not even one scrap of praise? pupils will be able to write using appropriate world of language. if so, i will order them like underwear - one for every day of the week. not only this recipe looks delicious, it is nutritious also. i say the exact same thing to my daughter when she leaves milk in her glass. what would you have said if that is what you were told? :) (actually, all of my posts are old right now. 