Yep, scrapme, we definitely had eye and hand protection Safety first! And, yeah, it would be cool to talk about the economic side of it, too, once I learn more about it myself! I'm trying to learn as much as I can as fast as I can! We already talked about the environmental impact, too...a big part of why the pile has been stacking up in my classroom to the point that I finally need to do something about it! I refuse to let go of it until I'm sure it's going to do no harm (and maybe do the class some good!).