It's not possible to build Advanced Workbenches at any workshop - the mouseover tooltip says they're constructed at the Carpentry workbench, but no module in that Workshop (or, in fact, any other workshop) can assemble one. The same goes for the Power Saw.
You need to research them https://community.gaslampgames.com/threads/digging-into-the-code-tech-tree.18458/
Ahh, thank you. I could have sworn they were available without research the last time I tried to build them.
