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.
Control Thermostat. If your hot water appears to be getting too hot, you probably have a defective thermostat. The temperature of your hot water is regulated by this adjustable thermostat which normally has a range between 90 and 150 degrees Fahrenheit. On most residential electric hot water heaters there will be both an upper and lower thermostat and they should be adjusted to the same temperature.