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.
VK_CONTROL is a virtual key code so that software can create a behavior as if the CTRL key was pushed on the keyboard. The CTRL key typically uses a secondary key that needs to be pushed at the same time (for example, CTRL+S for save or CTRL+P for print, etc). We are experiencing some problems, please try again. 2  You can only upload files of type PNG, JPG, or JPEG. 3  You can only upload files of type 3GP, 3GPP, MP4, MOV, AVI, MPG, MPEG, or RM. 4  You can only upload photos smaller than 5 MB.