Sitting down on the job: not as easy as it sounds.
D004867:Equipment Design; D005160:Facility Design and Construction / Q000592:standards*; D005221:Fatigue / Q000517:prevention & control*; D006077:Government Agencies; D006801:Humans; D007374:Interior Design and Furnishings / Q000592:standards*; D011187:Posture; D014481:United States