'Vessels' in the Bible

Which sends ambassadors by the sea,Even in vessels of papyrus on the surface of the waters.Go, swift messengers, to a nation [of people] tall and smooth (clean shaven),To a people feared far and wide,A powerful and oppressive nationWhose land the rivers divide.

My mind reels, horror overwhelms me;The twilight I longed for has been turned into fear and trembling for me.

Depart, depart, go out from there (the lands of exile),Touch no unclean thing;Go out of the midst of her (Babylon), purify yourselves,You who carry the articles of the Lord [on your journey from there].

Who sit among the graves [trying to conjure up evil spirits] and spend the night in the secret places [where spirits are thought to dwell];Who eat swine’s flesh,And their pots hold the broth of unclean meat;