What is the definition of Mining Fumes?

Ah, mining fumes – the stinky byproduct of our Earth's most industrious labor. Picture this: "As I navigated the treacherous, sulfur-laden tunnels of the new 'Underground Ore Mine,' I could've sworn I smelled the earth's own version of a bad hair day, but with a side of regret for not packing an air purifier." Now, let's put that into a chiller: "With my nose stuck in a mine tunnel, I decided to take on the world – literally – but instead of gold bars, I ended up with a bouquet of rotten eggs and a newfound appreciation for the power of pungent air!"