I'm pretty new to this (have only polished/sealed 3 vehicles), but so far:
Compound - LC Flat 5.5" Orange or CarPro 5" Cool Wool
Polish - LC Flat 5.5" Orange or White
Finish - HF 6" Black
I remove by hand or by using a micro fiber bonnet depending on the car, wax, sealant, etc.
Have yet to...