דברי הימים ב לב:ה פירוש: רש״י

and he reinforced the millo An example is (I Kings 11:27): “built the millo.”

and he made many swords - Heb. שֶׁלַח, weapons, similar to (above 23:10): “each one with his sword (שִׁלְחוֹ) in his hand”; (Neh. 4:17): “each man took his sword (שִׁלְחוֹ) to the water.”