Back in the late '50's the local machine shop did a heavy duty/industrial strength machining project on magnesium castings. A local dump truck driver was called in to haul a truck load of machining chips to the local city dump, which was known to burn trash. The driver was solemnly instructed that under no circumstances was he to dump the load anywhere near a fire. He had a good laugh on the way that the guys at the shop thought he was dumb enough to believe metal would burn. And so he dumped the chips over the edge of the dump directly into the fire below. For some minutes the local area believed that WW III had started and they had been hit with a nuke strike.
DDA