High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.

Operated, moved, or controlled by fluid pressure, typically oil, used in mechanisms like recoil systems to absorb and manage energy.

A breech mechanism in artillery where a cylindrical plug with spiral threads is rotated to open or close the breech.

Smoke grenades are pyrotechnic devices deployed by infantry fighting vehicles to create a visual screen, obscuring movement or positions from enemy observation or targeting.

Artillery classification distinguishing self-propelled wheeled vehicles from weapons towed by external means.