includes power to acquire, establish, lay out, erect or construct it and to provide buildings, works, equipment, facilities, services and amenities for or in connection with it and any other thing incidental or ancillary to it; and

also includes power to enter into arrangements with any other person for the use, on such terms as may be agreed, of any suitable thing provided by, or under the control of, that other person and, if it appears convenient, for the services of any staff employed in connection therewith;