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.
Control-C is a common computer command. It is generated by pressing the key while holding down the key on most computer keyboards. In graphical user interface environments that use the control key to control the active program, control-C is often used to copy highlighted text to the clipboard. In many command-line interface environments, control-C is used to abort the current task and regain user control. It is a special sequence which causes the operating system to send a signal to the active program.