(a) Within the districts established by this Zoning Ordinance or amendments that may later be adopted, there exist lots, structures and uses of land and structures which were lawful before this Zoning Ordinance was passed or amended, but which would be prohibited, regulated or restricted under the terms of this Zoning Ordinance or future amendments thereto.
(b) It is the intent of this Zoning Ordinance to permit these nonconformities to continue until they are removed, but not to encourage their survival. Such uses are declared by this Zoning Ordinance to be incompatible with permitted uses in the districts involved.