7.          Business Support Services means development used to provide support services to businesses which are characterized by one or more of the following features: the use of mechanical equipment for printing, duplicating, binding or photographic processing; the provision of office maintenance or custodial services; the provision of office security; and the sale, rental, repair or servicing of office equipment, furniture and machines. Typical Uses include printing establishments, film processing establishments, janitorial firms and office equipment sales and repair establishments.