4 yron > dying 1590
1 One with great bellows gathered filling air, 2 And with forced wind the fuel did inflame; 3 Another did the dying brands repair
brands > {Burning pieces of wood, hence: embers} repair > renew
4 With iron tongs, and sprinkled oft the same 5 With liquid waves, fierce Vulcan's rage to tame,
liquid waves > [water] Vulcan's rage > [the fire: Vulcan is the god of fire]
6 Who, mastering them, renewed his former heat;
them > [the "waues">[
7 Some scummed the dross that from the metal came;
scummed > skimmed
8 Some stirred the molten ore with ladles great; 9 And every one did swink, and every one did sweat.