Ten of the best instructors and metal men (of 6,000 mechanics) getting dialed in on 747 cargo door skins.

Material .090 2024 T6
Tube-frame wheels barely do it-- they do fail after much time at the tasks.

IT FITS!!!!! Two men took 4 1/2 hours to make their first well-fit skin. That time was shortened over a period of months to 1 hour and 45 minutes!