In commercial and manufacturing zones, dish antennas may be roof- or ground-mounted. In either case, all dish antennas located within those zones, regardless of their height and diameter, shall be screened from on-site parking areas, adjacent public streets, and adjacent residentially zoned property. Roof-mounted dish antennas shall be screened architecturally, while ground-mounted dish antennas shall be screened architecturally or with landscaping.