“wait a second, what is the steam made of?”

“Tin. Why, what do you guys use?”

“Erm, nothing, just, continue please.”

“Okay, so given the Strontium sulfide needed to balance the vapor out, we ended up with a Strontium-Tin mixture.We boys in the shop call it the Stin engine. Ain’t that a blast?”

"Nevermind "