One of the most vocal critics of abstract expressionism at the time was New York Times art critic John Canaday. Meyer Schapiro and Leo Steinberg along with Clement Greenberg and Harold Rosenberg were important art historians of the post-war era who voiced support for abstract expressionism.
Keyboards should be of appropriate size and key-spacing to accommodate most users. Generally, the horizontal spacing between the centers of two keys should be 0.71-0.75 inches (18-19 mm) and the vertical spacing should be between 0.71-0.82 inches (18-21 mm) (Figure 9).
1 Center the monitor in front of the keyboard so that you are facing it directly. 2  The area of the screen at which most work is accomplished should be about 15 to 20 degrees below eye level. 3  A screen that is too high or too low will cause awkward positioning of the head, neck, shoulders and back.