in relation to firearms or ammunition means to bring them, or cause them to be brought, from outside the Republic of South Africa into the Republic of South Africa and includes the bringing thereof into the Republic of South Africa at any harbour or airport or other place on board any vessel or aircraft or other means of conveyance, irrespective of whether or not the firearms or ammunition are off-loaded from such vessel or aircraft or other means of conveyance for conveyance through the Republic of South Africa to any place outside the Republic of South Africa or for any other purpose, or are intended to be so off-loaded; and "import", when used as a verb, shall have a corresponding meaning;