??? ????? ??? ??????? ????? ??????? ????? security ????????? . ??? inspection ??? ??????? ??????? ?????? ???? ?? ???? ? ?? ????? ?? ??????? . Luggage maintenance encompasses Cleaning luggage { ????? ?? ??? ?? the bags { ??? wheels ????? ????? smoothly ?????? ????? ????? ??? ??????? ?? ???? proper maintenance of luggage ???? ????