Sterling silver is generally marked "STERLING" on the back or bottom of silver items. These sterling silver items are also likely to have a maker's name, logo, or hallmark to identify the manufacturer. Sometimes
Using the same principles, steam dishwashers use high-pressure, high-temperature steam to help separate food from dishes, cups and flatware. The pressure of a gas indicates how much force it exerts on surfaces. The tighter gas molecules are packed together or the hotter they are, the harder ...