MORE RESTRICTIVENESS USES as employed in this chapter means the following:
(A) Those uses first permitted in the “A-1” District are the most restrictive; and
(B) All other uses are less restrictive in the order of restrictiveness, beginning with the most restrictive as follows: “A-1A”, “A-2”, “B-1”, “MH-1”, “MH-2”, “C-1”, “C-2”, “C-3”, “C-4”, “C-5”, “D-1” and “D-2”.
(1960 Code, § 60-3-19)