Sounds like the fog machine is faulty or just broken, it should not be hot enough to be able to burn anoyone, it has vents to keep it cool and to not over heat. So if i were you i would stay clear of it! I love knowing my techniacl theatre training :)
And as for that scarecrow, if you have any performances left, then 'accidently' step on him :)
Its unproffesional but what the hey hahaha
I'm not a river or a giant bird, that soars to the sea, an if i'm never tied to anything i'll never be free!