Watch closely. Can you see the person below me standing over there? Good. Now we load the projectile, in our case a tricobalt warhead, here in this pouch...
...now we pull this leaver here. The projectile will first crush the person below me, effectively turning him into a pancake. Few miliseconds later tricobalt warhead will explode and create a large crater. Of course we could always use a normal rock in this case Vulcan red marble is the best...(continues explaining)
Helm: Captain we have a "small" problem.
Captain: I knew we should have allied with Klingons instead.