General Description. Caribou have large, concave hoofs that spread widely to support the animal in snow and soft tundra. The feet also function as paddles when caribou swim. Caribou are the only member of the deer family (Cervidae) in which both sexes grow antlers.
At 120 degrees Fahrenheit / 48 degrees Celsius, the recommended temperature setting for home water heaters, skin requires five minutes of exposure for a full thickness burn to occur. When the temperature of a hot liquid is increased to 140 F / 60 C. it takes only five seconds or less for a serious burn to occur 1.t 120 degrees Fahrenheit / 48 degrees Celsius, the recommended temperature setting for home water heaters, skin requires five minutes of exposure for a full thickness burn to occur. When the temperature of a hot liquid is increased to 140 F / 60 C. it takes only five seconds or less for a serious burn to occur 1.
For water heaters servicing a single housing unit: Electric water heaters should be set at 60Â°C to limit the risk of Legionella contamination, and equipped with antiscald devices to deliver water at 49Â°C to the entire household.or water heaters servicing a single housing unit: Electric water heaters should be set at 60Â°C to limit the risk of Legionella contamination, and equipped with antiscald devices to deliver water at 49Â°C to the entire household.