“Everything from the food on this table to color of the carpeting is telling me something about you. The cell itself, for example? The door was steel, not iron or bronze, steel. So let’s add metallurgy to your book of tricks. Consequently it’s safe to say you have some economic milieu in mining. The rivets that held it together looked like they were machined standard. Which tells me that you apparently have a factory somewhere that mass produces these rivets and therefore have the skilled laborers and machinery capable of doing so. 