January RPG candidate
"So, class, what have we learned? Yes, Gertrude?"
The girl put her hand down, "Never go back to an explosive device once it's been primed."
"Yes, that's right. As you can see, even the slightest disturbance to a home-made device can set it off. This is why proper military hardware is always preferred to homebrew kit. Kevin! Stop, drop and roll! Oh dear, could a couple of you stamp out the flames for him?"
Two members of the class ran over to the stricken boy, perhaps a little too enthusiastically.
"Miss!" another girl raised her hand.
"Yes, Susan?"
The girl did a complicated, but brief hand gesture that ended with a finger pointed back towards the front of the factory complex.
"Well, done, Susan, that's one House Kill to you," the teacher said, "For being the first to hear the sirens as the police arrive and for using proper battlefield gestures. This means that Class 2B failed to deactivate the alarm system properly. So I want you all to get out your SMGs and make sure the safety catch is off and the clip firmly in place. Remember- suppressive fire only on field trips."