22.3 if the site is cold, doors and floors may swell up especially if plastering has taken place. the condition develops over a 3 to 4 hour period and starts with an itching of the eye. while it was a smaller event than some, the quality was top notch. one thing about the program that caught my attention was that they did not have one-on-one devices in every single classroom by any means! this car is strictly a show car. no, the school director is responsible for finding the other students in your class. if you don't they will feel cheated. 