The craft is collaborative: engineers, designers, and fabricators repeat on models, refining joints, finishes

https://mylesvuhs995.theburnward.com/leader-boxes-that-weather-condition-well-the-engineer-s-guide-to-copper-that-doesn-t-lie

The craft is joint: engineers, designers, and producers repeat on prototypes, refining joints, coatings, and resistances up until classy ideas become buildable steel.