Extruding is the method used to form many of the parts used
on aircraft. (Page 24)
The parts of a rivet are the hollow shank and stem.
The three styles of Huck lock bolt are pull, stump and blind.
The spar is the main load bearing member, while ribs,
stringers and stiffeners transfer the loads and give shape to
the wing. (Page 10)
Bulkheads are frames with a reinforced disc-shaped section,
with doors and access panels. (Page 6)