sentence: Bullets have many uses.
sentences_before: The bullet is pushed out of the gun by hot gases at a high pressure. The gunpowder burns very fast. It makes hot gases. The hot gases are at a high pressure. The high pressure pushes the bullet out of the gun barrel at a high speed.
sentences_after: They are used as a weapon in war. They are used by police. They are used for self-defense. They are used for hunting animals for food or as a sport. They are used for shooting targets.
concept_name: bullet
headings: Bullet
categories: Firearms Ballistics