Blacksmiths were the high technologists of fabrication up until the industrial revolution gained momentum. At its core, this is the art and science of making any needed tool or mechanism out of metal.
"And we decided that this needed ... other tools for turning soil. For Guns to Gardens, the choice of a translation that includes the word "forge" was a deliberate nod to the art of the blacksmith.
For most of human industrial history, the blacksmith was the indispensable artisan. He could fashion almost anything needed, from a simple hand tool to a mechanism as complex as a rifle.