Modifying an Office Chair

The audio begins with the sound of an office chair being moved around. The narrator starts by explaining the importance of adjusting an office chair for comfort and ergonomics. He then provides step-by-step instructions on how to adjust the height of the chair. The first step, he explains, is to locate the lever located beneath the seat. He describes the lever as being usually metal and somewhat hidden under the seat. The listener can hear the sound of the lever being identified and handled. The narrator then instructs to push the lever upward to raise the chair's height. The sound of the chair rising can be heard, indicating that the chair is being elevated. He emphasizes the importance of adjusting the chair so that your feet are flat on the floor and your knees are at a right angle. To lower the chair, the narrator explains that you should remove your weight from the chair and push the same lever upward. The sound of the chair lowering is audible, indicating that the chair is bei