Answer:
smoke that appeared from the volcano mount etna
Step-by-step explanation:
The Cyclops were skilled craftsmen who worked on the famous Etna volcano. According to Virgil, it was in the depths of the volcano where they built the Aeneas armor along with Vulcano. The smoke was from their jobs, including when they helped Zeus, Hades and Poseidon to fight against his father, Chronus.