A supplementary signboard (often with text) is used to give clarity to a signboard. A signboard and supplementary signboard can be located on one "carrier". A carrier could be a single sheet of metal, plywood, laminated plastic or other material as might be appropriate to a location.
What is a Supplementary Signboard? Print
Created by: Michal Wochna
Modified on: Fri, 2 Jun, 2017 at 2:37 PM
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