Vietnam-era radical Bill Ayers said he doesn't know President-elect Barack Obama any better than thousands of other Chicagoans and the two never talked about Ayers' anti-war activities.
Learn all about the chair's adjustable features. Sit in the chair with your feet on the ground. You want to achieve a chair height that allows you to sit all the way back with your feet on the floor. Push the height adjustment lever backward to move the chair up and down. It is typically on the right side of the chair.
1 The backrest of an ergonomic office chair should be 12 to 19 inches wide. 2  If the backrest is separate from the seat, it should be adjustable in height and angle. 3  It should be able to support the natural curve of the spine, again with special attention paid to proper support of the lumbar region.