A cannon is just a metallic tube which has a shut conclusion and an open up close. The closed close has a little fuse hole. To load the cannon, you pour in gunpowder — a mix of charcoal, sulfur and potassium nitrate — and then fall within a cannonball. https://eduardodvhud.ssnblog.com/34841316/a-secret-weapon-for-machine-gun-shooting