1. No trailer will be permitted in the front yard of any R, RR, or Cl district
2. In all districts listed in subsection A(l) above, unoccupied and functional travel trailers, and trailers other than those having sleeping accommodations may be stored in any side or rear yard providing that the trailer is placed on the lot in compliance with side and rear yard setbacks for auxiliary buildings.
3. Unoccupied and functional trailers may be stored in all A, C4 and M districts in any location on the lot provided that the yard setbacks for the particular zone are complied with.
B. No vehicle undergoing repair or inoperable shall be stored in the front yard of any R, RR, or Cl district.
C. The storage or keeping of junk in any district shall be confined to areas not visible from any street.