Typically, coke-oven gas is obtained from a battery comprising a number of narrow, vertical chambers, or ovens (0.5m wide, 5m high and 12m long) built of silica brick that are separated by heating ducts, such that heat is transmitted to the coal through both sides of the chamber walls.
ISO keyboard symbol for âControlâ. In computing, a Control key is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, +); similar to the Shift key, the Control key rarely performs any function when pressed by itself.
Definition of:key fob (1) A remote control car door opener such as the common clicker used with most modern automobiles. (2) A USB flash drive used for storage or as an identification key. See USB drive and authentication token. (3) A security token that is attached to a keychain.