The sky a 'heavy metal mirror'
n“Can you, with Him, spread out the skies, strong as a molten mirror?” (Job 37:17, NASB)
n“Can you beat out vault of the skies, as he does, hard as a mirror of cast metal?” (NEB)
n“Hast thou, with him, spread out the sky, which is strong, and as a molten looking glass?” (KJV)