ok guys the 46 1/2 ton im looking at has several lil denst on the cab roof like hail dents, i know this old metal is like a tank, whats the best way to hammer these out?

using a body hammer and heavy metal dolly? going slow others said use a little heat like from a propane torch to heat the area up alittle thoughts? id like to do as much of the body work as i can do to save money will not be a "show" truck but a daily driver