CLEAN : Emmanuel and Brigitte Macron arrive at Jacques Chirac's place

The video tutorial explains the mechanism of coloring, starting with an introduction to the process. It details a 3-minute rubbing process that affects the viscosity of lining strips. Observations include a humming sound and visual imagery like a pipe PIG photo. The tutorial then outlines a series of steps, from Step 2 to Step 15, to complete the process.

What new insight or understanding did you gain from this video?