which moves are powered up and by how much?
"The ability Technician powers up attacks with a Base Power that is less than or equal to 60" is correct but you left out how much. It is by 50%. Eg. Aerial Ace goes from 60 to 90, Mach Punch from 40 to 60 and so on.
The ability Technician powers up attacks with a Base Power that is less than or equal to 60.