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.
A transponder key is a type of anti-theft device for your vehicle. Basically it is a chip that is embedded in the head of your key (which is not visible) that receives a signal from your vehicles computer upon starting your car. If the digital signature from the computer & key match your vehicle will start.