"A grenade is an explosive weapon typically thrown by hand, but can also refer to projectiles shot out of grenade launchers. Generally, a grenade consists of an explosive charge, a detonating mechanism, and firing pin inside the grenade to trigger the detonating mechanism. Once the soldier throws the grenade, the safety lever releases, the striker throws the safety lever away from the grenade body as it rotates to detonate the primer. The primer explodes and ignites the fuze (sometimes called the delay element). The fuze burns down to the detonator, which explodes the main charge.
There are several types of grenades like the fragmentation (frag), high explosive (HE) concussion and smoke grenades." - (en.wikipedia.org 22.10.2019)
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