How do you get them to embrace the dark art of soldering? If you’re Tektronix ... especially with bodge wires, which should be placed on the back of the board so they’re not so obvious.

The solder feeder uses a Bowden tube, with a 3D-printer extruder motor pushing the solder wire down a PTFE tube and finally into a fine aluminium tube from which it’s fed to the iron tip.