A cannon is simply a steel tube having a shut close and an open up end. The closed close has a little fuse hole. To load the cannon, you pour in gunpowder — a mix of charcoal, sulfur and potassium nitrate — then drop in a cannonball. This automated https://eduardothpwb.laowaiblog.com/34665801/helping-the-others-realize-the-advantages-of-shoot-a-machine-gun