31.0160 Refrigeration and air-conditioning.

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Refrigeration and air-conditioning means to examine, specify, layout, install, and maintain devices, machinery, and all such pertinent and appropriate units and parts necessary to the operation and control and/or regulation of air temperatures in refrigerators, refrigerated rooms, and residential, commercial, and industrial buildings.

History: Contractors Lic. Bd. Classification of Contractors’ Licenses, eff 12 Feb 73, (part).