Interesting for teachers doing world cultures! Whether you're abroad, or going out to a foreign restaurant locally, you need to be sensitive to the dining etiquette of the culture. This chart gives you a broad overview of table manners around the world.
Such a smart idea (feed old book pages through a printer to make unique silhouette art). Not gonna lie, I'd probably scan in the old book pages first, and use the scan for the final print. I love my old books, I don't want to cut them up.