Work assignments may involve specific tasks associated with interim postings: at the ticket counter, airport lobby, baggage counter, gate check-in, control-center, other functional areas, or rotation through all areas including bag-room, ramp and other terminals, pulling, pushing and moving large bulky items including carts . Environmental conditions involve continuous people interaction; fast pace; exposure to high noise levels, dirt, dust, fumes, heat, cold, hazardous or toxic material; heavy crowd activity; working in confined spaces or heights frequently and for extended periods.