Wargaming's article on improvised artillery classifies the Ampulomet, a gun that fired a sphere filled with incendiary fluid, as an anti-tank weapon. Apparently, the device's users had other ideas.
"In a series of military units, the reputation of ampulomets is being sabotaged by incorrect application in battle. Despite multiple instructions by GABTU pointing out that fact that the impact detonated ampules are to be used as an anti-tank weapon and can only be used by blocking groups as a method of defeating enemy emplacements, the latter can only be achieved in a fortunate situation with lengthy training. This secondary objective is being set as the main one.