Explosive are vital for mankind's survival and are used extensively in combat against the undead.
Types of explosives:
Spherical containers made of leather with a fuse, filled with volatile materials that explode with different results based on the contents.
Fire bombs - bombs filled with oil that upon explosion temporarily set the area around aflame and burn everyone around.
Blackpowder bombs - bombs filled with blackpowder that explode with concussive force, stunning and hurting everyone around.
Flashpowder bombs - bombs filled with flashpowder that explode in a bright flash, stunning, defeaning and blinding everyone around.
Napalm bombs - bombs filled with napalm that explode with sticky flames that cling to everything around, setting the area aflame for a long time and continuously searing everyone the flame touches.
Grenades are bombs, only they are made with metal casings instead of leather. They have deliberate weakspots and besides concussing and damaging enemies with force of the explosion, they launch lethal shrapnel all around - severaly hurting or straight up killing anyone around.
Shrapnel grenade - grenade filled with blackpowder. It has deliberate weakpoints that shatter into deadly shrapnel upon exploding
Napalm grenade - grenade filled with blackpowder and napalm. It has deliberate weakpoints that shatter into deadly shrapnel upon exploding, carrying the napalm everywhere around - igniting a massive area.