Although both can, explosive material represents a projection
hazard by producing shrapnel on impact with a hard object. So, if
launching explosive material, be careful. wouldn't want shrapnel to
cut into your body!
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High Explosive, generally meaning that the projectile is packed
with TNT or other explosive material.
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Ballistite(smokeless gunpowder), Dynamite(explosive material),
Gelignite(explosive material).......... he also wanted the Nobel
Prizes to be made in his name.