en_tn/1ch/20/03.md

he brought out ... He brought out

These two occurrences of "he" refer to David, but they also refer to David's soldiers who helped David do these things. (See: rc://en/ta/man/translate/figs-synecdoche)

forced them to work with saws and iron picks and axes

These terms describe difficult manual labor that the defeated people were forced to do.

David required all the cities of the people

The people are referred to by their city. AT: "David required all the peoples of the cities" (See: rc://en/ta/man/translate/figs-metonymy)