Note: This feature of the mud is still being implemented!
From scrounging around or from your knowledge of the wastes, you can fashion together items or cook meals for sale or for personal use. There are several categories of items that you can build, using the build, tan, sew, roll, whittle, and lathe commands.
There are several basic knowledge things that you can build, but for the most part of it, you need to learn from someone or read from a book how you can build, construct, or make your own items. You also need the appropriate tools and the proper resources to build something from scratch.