A CPU socket is made of plastic, and comes with a lever or latch, and with metal contacts for each of the pins or lands on the CPU. Many packages are keyed to ensure the proper insertion of the CPU. CPUs with a PGA (pin grid array) package are inserted into the socket and the latch is closed.
exists and is an alternate of . Answers.comÂ® is making the world better one answer at a time. The thoracic cavity is divided into right and left parts by a median partition called the mediastinum and contains the heart, the thymus, the trachea, the esophagus, and other structures such as blood vessels and nerves.
The thoracic cavity is coated with a serous membrane, which exudes a thin serum or fluid. This membrane, which contains nerves, blood vessels and lymph channels, covers the lungs as well as parts of the heart, vessels and esophagus. Each lung within the thoracic cavity is contained within a pleural cavity.