itīs almost impossible to read all of the 150 pages
I'm going to help you out with a shortlist of things that are genuinely impossible:
1.Walking on clouds
2.Setting the moon on fire
3.Conducting a reasonable 2-way conversation with a Llama
Things that are fundamentally within the realms of possibility:
1.Reading stuff on pprune*
2.Passing BA selection**
**Possible link