All the men from thirty to fifty years of age who came to serve in the work at the tent of meeting
NIV
From thirty years old up to fifty years old, everyone who entered into the service for work in the Tent of Meeting
AMP
From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation,
KJV
I will strengthen the arms of the king of Babylon, but the arms of Pharaoh will fall limp. Then they will know that I am the LORD, when I put my sword into the hand of the king of Babylon and he brandishes it against Egypt.
NIV
But I will strengthen and hold up the arms of the king of Babylon and the arms of Pharaoh shall fall down, and they [of Egypt] shall know (understand and realize) that I am the Lord [the Sovereign Ruler, Who calls forth loyalty and obedient service], when I put My sword into the hand of the king of Babylon and he shall stretch it out upon the land of Egypt.
AMP
But I will strengthen the arms of the king of Babylon, and the arms of Pharaoh shall fall down; and they shall know that I am the LORD, when I shall put my sword into the hand of the king of Babylon, and he shall stretch it out upon the land of Egypt.
KJV
I will turn your towns into ruins and you will be desolate. Then you will know that I am the LORD.
NIV
I will lay your cities waste and you shall be desolate, and you shall know, understand, and realize that I am the Lord [the Sovereign Ruler, Who calls forth loyalty and obedient service].
AMP
I will lay thy cities waste, and thou shalt be desolate, and thou shalt know that I am the LORD.
KJV
"So I will inflict punishment on Egypt, and they will know that I am the LORD."
NIV
Thus will I execute judgments and punishments upon Egypt. Then shall they know (understand and realize) that I am the Lord [the Sovereign Ruler, Who calls forth loyalty and obedient service].
AMP
Thus will I execute judgments in Egypt: and they shall know that I am the LORD.
KJV