Some traits within the "Explosives" line work only with explosions. For instance, Steel-Packed Powder
Explosions cause vulnerability for 5 seconds.
What, in this context, qualifies as an explosion?
From the official wiki (and tested):
Also qualifies (tested) :
Explosions that do not qualifies (tested):
(Test had been done with the SPP traits : if applies, it qualiifies).