Faint — This is mentioned as an evidence of great zeal and industry in carrying on this work; so that they forget or neglect to eat and drink.
Related Commentaries of Isaiah 44:12
Isaiah 44:12
12 The smith with the tongsb both worketh in the coals, and fashioneth it with hammers, and worketh it with the strength of his arms: yea, he is hungry, and his strength faileth: he drinketh no water, and is faint.