You can use ^ and %, but must enter them in the _Alphanumeric variable twice as ^^ or %%. However, if you want to use the result (_RndAlphaNum) later in the batch file (other than Echoing to the screen), they might require special handling. You can even use a space, as long as it's not the last character in the string.
23 inches (59cm) is the minimum distance required for a chair behind a desk. This would fit a modest sized chair. For more comfort and to accommodate a bigger office chair increase the chair clearance to 30 inches (76cm). Office Chair tips. Swivel chairs make it easier to get in and out from behind your desk, especially if the space is a bit tight.
standard wheelchair dimensions and accessibility measurements seat height leg length measure from the user s heel to the popliteal fold and add 2 inches to allow clearance of the footrest average adult size 19 5 to 20 5 inches the bottom of the footrest is 2 inches from the floor you can fit 2 3 fingers under the distal thigh between the thigh and the seat