credit and debit card. CVV Number location and information. The CVV Number (Card Verification Value) on your credit card or debit card is a 3 digit number on VISAÂ®, MasterCardÂ® and DiscoverÂ® branded credit and debit cards. On your American ExpressÂ® branded credit or debit card it is a 4 digit numeric code. Providing your CVV number to an online merchant proves that you actually have the physical credit or debit card - and helps to keep you safe while reducing fraud.
A refrigerator maintains a temperature a few degrees above the freezing point of water. Optimum temperature range for perishable food storage is 3 to 5 Â°C (37 to 41 Â°F).mong the smallest is a 4 L Peltier refrigerator advertised as being able to hold 6 cans of beer. A large domestic refrigerator stands as tall as a person and may be about 1 m wide with a capacity of 600 L. Refrigerators and freezers may be free-standing, or built into a kitchen.
1 A comfortable room temperature would be around 70 degrees Fahrenheit, or 21 degrees Celsius. 2  A pot of boiling water is 212 degrees Fahrenheit, or 100 degrees Celsius. 3  A cold and windy winter day would have a chill factor that might be below freezing at 23 degrees Fahrenheit, or -5 degrees Celsius. The range from freezing point to boiling point on this scale is 32 to 212 degrees. 2  The other scale is measured in degrees Celsius. 3  Sometimes it is called the Centigrade scale. 4  The range from freezing point to boiling point on this scale is 0 to 100 degrees.