"prohibited place"
means—
(a) any work of defence belonging to or occupied or used by or on behalf of the Government, including—
(i) any arsenal, military establishment or station, factory, dockyard, camp, ship, vessel or aircraft;
(ii) any telegraph, telephone, radio or signal station or office; and
(iii) any place used for building, repairing, making, keeping or obtaining armaments or any model or document relating thereto;
(b) | any place where armaments or any model or document relating thereto is being built, repaired, made, kept or obtained under contract with or on behalf of the Government of the Government or of any foreign State; |
(c) | any place or area declared under section 14 to be a prohibited place; |