Urns are commonly used by hotels, caterers, casinos and convention sites for buffets, holiday gatherings, brunches, meetings, and other group events events. Within foodservice equipment and smallwares, an urn is a large metal container with a tap used for hot beverage preparation and service.
Universal Serial Bus (USB) is an industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply between computers and equipment or peripheral devices. In commercial foodservice equipment, a USB port may allow for service diagnostics or automated programming updates (e.g. with the introduction of new menu items with distinct cook times and temperatures).