The last take-apart is directions for removing (or replacing) the handle.
You asked for a tip? The handle removal process is quite involved. I wouldn't try it without a really good reason.
(those 20-year-old plastics may not nicely survive major "surgery" --- )
Model M2453 or M6411 / 300, 366, or 466 MHz G3 processor
www.ifixit.com
No videos, but the pictures look pretty good.
The "Lower Case" steps is probably pretty close to a complete teardown.
(First time I repaired a clamshell, it felt like I was playing with one of those puzzles with varying length pegs in different depth holes. Seems like every screw is a different size and length, so, this hint: keep careful track of screw locations and sizes as you go. This is a fun repair that can easily turn against you! )