NET

5 Hezekiah energetically rebuilt every broken wall. He erected towers and an outer wall and fortified the terrace of the City of David. He made many weapons and shields.

Darby

5 And he strengthened himself, and built up all the wall that was broken down, and raised it up to the towers, and [built] another wall outside, and fortified the Millo of the city of David, and made darts and shields in abundance.

KJV

5 Also he strengthened himself, and built up all the wall that was broken, and raised [it] up to the towers, and another wall without, and repaired Millo [in] the city of David, and made darts and shields in abundance.