Assertion: clear glass | /r/HasProperty | rolled in powdered colored glass
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Source sentences:
text: Coloured glass can be gathered out of a crucible, clear glass can be rolled in powdered colored glass to coat the outside of a bubble, it can be rolled in chips of glass, it can be stretched into rods and incorporated through caneworking, or it can be layered, cut and fused into tiles, and incorporated into a bubble of glass for intricate patterns through murrine.