| http://www.w3.org/ns/prov#value | - The base section 12 has four walls 12A-D and a back panel 12E. The cover 14 has four edges 14A-D and a top panel 14E. The base section 12 and the cover 14 may be made from any transparent material such as plastic, but the material should be durable and rigid enough to maintain the shape of the display case 10.
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