The cylinder is the main factor for the soft drink machine because it works to carbonate the drinks and there is more than one type or method for making soft water, which is: Gas Integrating carbon dioxide gas into regular water by using a carbon dioxide gas cylinder CO2, which is a gaseous liquid that is injected directly into the water by pressing the machine. Through the soft drink machine, where it is able to control the cylinder to convert natural water into carbonated water, as it contains natural elements of water, equipped with a plastic bottle.