A cannon is just a metal tube that has a closed end and an open stop. The closed stop has a little fuse gap. To load the cannon, you pour in gunpowder — a mixture of charcoal, sulfur and potassium nitrate — and afterwards fall in the cannonball. in https://fn-scar-1772604.goabroadblog.com/37180067/examine-this-report-on-sig-spear-lt