Where it appears

• Gen 19:28He looked toward Sodom and Gomorrah, and toward all the land of the plain, and looked, and saw that the smoke of the land went up as the smoke of a furnace.
• Exod 9:8Yahweh said to Moses and to Aaron, “Take to you handfuls of ashes of the furnace, and let Moses sprinkle it toward the sky in the sight of Pharaoh.
• Exod 9:10They took ashes of the furnace, and stood before Pharaoh; and Moses sprinkled it up toward the sky; and it became a boil breaking out with boils on man and on animal.
• Exod 19:18All of Mount Sinai smoked, because Yahweh descended on it in fire; and its smoke ascended like the smoke of a furnace, and the whole mountain quaked greatly.