The resisting heating element is made of coiled wire that gets hot when you turn on the machine. Sandwiched between the warming plate and aluminum water tube, the resisting heating element is designed to distribute heat efficiently. It serves two functions: heating water poured into the reservoir and keeping the coffee warm once the coffee is made. You must not forget the fact that coffee is vulnerable. You can only achieve the taste that you want if all the necessary factors are in place. The coffee gets stale easily when it is left in a pot or container for quite some time before you drink it. And this is exactly what happens to the coffee made using large-capacity coffee makers. Cleaning the water tank 1. Put water plus a pint of vinegar in the coffee maker tank. 2. Put the carafe into the hot plate and close the funnel. 3. Switch your coffee maker on. 4. Leave the vinegar in the water tank for half an hour. 5. Empty the carafe and then rinse it very well. 6. Again, put water on the tank and repeat the brewing cycle. The essential system, as Starbucks and Coffee Equipment Company claims, is responsible for bringing out the best in the coffee ground of your choice. A Clover coffee maker uses the French Presses and vacuum Pots methods, patented now as VacuumPress Technology. Despite its easy-to-learn button, making a cup of coffee with this machine still needs the guide of a barista. The first vacuum coffee maker was developed by a Scottish marine engineer, Robert Napier. It was later modified after World War I. Vacuum coffee maker is known for its clear resulting brew. The production of coffee using vacuum method is quite dramatic complete with sound effects. Using a vacuum coffee maker is time-consuming and the apparatus is difficult to clean up. It will be ideal if you love drinking gourmet coffee beverage but do not have much time to make a full pot of grind coffee beans. The same thing if you are no fan of preparing coffee with cleanup or mess afterwards. These are the advantages you get when you choose and use the single cup coffee brewer.