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.
Steps. 1. Research the features of an ergonomic chair. 1  Height â An ergonomic chair should allow for adjustment in height to allow you to sit comfortably with your feet flat on the floor, with your knees at a 90 degree angle and parallel to your hips.