Isaiah 41:7
So the carpenter encouraged the goldsmith, and he that smoothes with the hammer him that smote the anvil, saying, It is ready for the soldering: and he fastened it with nails, that it should not be moved.
Nave's Topical Index—AKJV

Isaiah 44:12
The smith with the tongs both works in the coals, and fashions it with hammers, and works it with the strength of his arms: yes, he is hungry, and his strength fails: he drinks no water, and is faint.
Nave's Topical Index—AKJV