NET

3 He removed the city’s residents and made them labor with saws, iron picks, and axes. This was his policy with all the Ammonite cities. Then David and all the army returned to Jerusalem.

Darby

3 And he brought out the people that were in it, and cut them with the saw, and with harrows of iron, and with saws. And so David did to all the cities of the children of Ammon. And David and all the people returned to Jerusalem.

KJV

3 And he brought out the people that [were] in it, and cut [them] with saws, and with harrows of iron, and with axes. Even so dealt David with all the cities of the children of Ammon. And David and all the people returned to Jerusalem.