Canker sore: A canker sore, also known as an aphthous ulcer, is a single pale or yellow ulcer with a red outer ring or a cluster of such ulcers in the mouth, usually on the cheeks, tongue, or inside the lip.
The Board will allow a maximum temperature of 120 degrees Fahrenheit. Hand sinks in commercial kitchens are only used by employees. These employees are typically washing and rinsing pots and pans in pot sinks which could have 140 degree water. Those pot sinks, in some kitchens are located right next to the hand sinks.
For effective hand washing, follow these steps: 1  Remove any rings or other jewelry. 2  Use water and wet your hands thoroughly. 3  Use soap (1-3 mL) and lather very well. 4  Scrub your hands, between your fingers, wrists, and forearms with soap for 15 seconds.5  Scrub under your nails. Use water and wet your hands thoroughly. 2  Use soap (1-3 mL) and lather very well. 3  Scrub your hands, between your fingers, wrists, and forearms with soap for 15 seconds.