At a glance, I guess Engineering (w/Scientific Method) pretty much does all the same stuff Carlos was already doing with Artifice (w/Ten Thousand Tools), except with less trying to guess how many man-hours (insert job here) actually requires.<br/><br/>The book says on page 21 that Engineering (unlike Artifice) doesn't provide easy ways to produce large amounts of raw materials, but the base effect of the Word of Engineering lets you instantly produce any ordinary device (anything generally marketable) -- doesn't that logically include the parts to build bigger things, which seems a lot the same as having the raw materials you need?<br/><br/>(I'm not sure this is even<em>slightly</em>an issue either way when we're rolling through a nigh-apocalyptic wasteland littered with abandoned vehicles and probably ten million other things Carlos could repurpose, but still.)