Additional functions include sitting or standing in a stationary position for extended periods of time; using a computer or laptop in an office environment with natural and/or fluorescent lighting; navigating between office building floors; attending occasional off-site meetings, jobsites, or company locations; and occasionally lifting and carrying office materials, files, or similar items. During jobsite visits, the employee may encounter variable work environments outside a typical office setting, including uneven terrain, moving machinery, odors, dust, pressurized equipment, electrical hazards, loud noise, environmental conditions, and variable weather, including rain, snow, wind, cold, and heat.