Note sull'episodio
I read from ferocity to ferrite.
Yes, the US National Accelerator Laboratory (now Fermilab) used a ferret to clean the pipes. You should read the whole story!
If you have the skills and gear, I guess you can make your own blueprint paper.
https://edu.rsc.org/resources/making-and-using-blueprint-paper/1591.article
The word of the episode is "Ferris Wheel".