it is difficult to set levels for this. you can contact us by clicking on the "contact us" button found on each page of the site and following the instructions you will find there. they would take away a very clear idea of the school’s philosophy and educational mission. natural gas has mostly regional markets. any metal pan from your oven is perfectly good. who is in charge of this site? (if you guessed that’s the gear they use to record the images, you’d be correct). 