in the C-C zone, not more than five persons shall be engaged in the fabrication, repair and other processing of goods in any establishment, except when permitted by conditional use permit. (Ord. 3182 § 3(A), 2011; Ord. 3153 § 2 (Exh. A), 2010; Ord. 1212 § 1, 1969; prior code § 33.509(G)(4)).