Anodizing of aluminum – variations, which alloys have issues Creep for stainless steel at high temperatures…

Anodizing of aluminum – variations, which alloys have issues
Creep for stainless steel at high temperatures
Machinability of stainless steels – which are better from each
category
These are on the list of things i need to know for my final and
i dont understand them or know the answer, can someone explain
please??