The hip is a ball-and-socket joint. The socket is formed by the acetabulum, which is part of the large pelvis bone.The ball is the femoral head, which is the upper end of the femur (thighbone).he hip is a ball-and-socket joint. The socket is formed by the acetabulum, which is part of the large pelvis bone.
Most of us carry credit cards and ATM cards. These, typically, have sixteen digits on the front. These digits are the unique account number for the card. For obvious reasons, just any sixteen digits will not work, they follow pattern. The first few characters of the card number describe the type of card.
Visa and Visa Electron Credit Cards. These credit cards have 13 or 16 digits in their number. Mastercard and Discover Credit Cards. Both of the above cards have 16 digits. American Express Credit Cards. AmEx cards have 15 digits in their number. Dinerâs Club: You will find exactly 14 digits in the Dinerâs Club Credit Card number.