since we will use low cost metals, cooling will be the main issue once we figured out how to build the engine. these snacks will make them howl for more! the thing is, you're supposed to not know who is who, making anyone a suspect (unless you're the seer, of course). so keep going up to the end. otherwise, most of the weight will turn into fat. i need the solution for our senior project at school so we have a very tight budget. 