The plant shall have all openings effectively screened with not less than 16-mesh screening, unless other effective means are provided to prevent the entrance of flies and other insects.
Cal. Code Regs. Tit. 17, § 7747
The plant shall have all openings effectively screened with not less than 16-mesh screening, unless other effective means are provided to prevent the entrance of flies and other insects.
Cal. Code Regs. Tit. 17, § 7747