The following coin-operated vending devices shall be exempt from the provisions of this article, Section 1501 et seq. of this title:
1. All coin-operated vending devices owned by and located in a public or private school, a church, or a governmental entity;
2. All coin-operated vending devices which dispense only newspapers or periodicals;
3. All coin-operated vending devices which dispense only postage stamps; and 4. All coin-operated vending devices installed on federal military bases.