A cannon is just a steel tube that has a shut end and an open conclusion. The shut finish has a small fuse gap. To load the cannon, you pour in gunpowder — a mixture of charcoal, sulfur and potassium nitrate — after which fall in the cannonball. As https://hk-g382692.wizzardsblog.com/38333361/considerations-to-know-about-machine-gun-phoenix