The craft is joint: designers, engineers, and makers iterate on prototypes, refining joints, surfaces

https://charlie-wiki.win/index.php/Finials_That_Last:_The_100-Year_Trajectory_of_Custom-made_Copper_Facts

The craft is joint: engineers, designers, and producers repeat on models, refining joints, surfaces, and resistances up until classy ideas end up being buildable steel.