That bear the vessels, etc.] i.e. the priests and Lévites, who are to carry back to Jerusalem for use in the restored Temple the sacred utensils, which Nebuchadnezzar had taken away to Babylon. See the fulfilment of this recorded in Ezra 1:7-11.
Thy strength] Strength returns to Zion when the Arm of Jehovah works within her (Isaiah 51:9).