| http://www.w3.org/ns/prov#value | - Such representation of a tile may be readily made by embossing in embossing dies with the aid of heat and pressure and the recesses forming the representations of the tile may be either lled with reenforcing material, such as rectangles of paper, cardboard, corrugated board or other material, or a plastic material which will harden in place, such as plaster of Paris or the rear portion of the depr
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