enum ERaMaterialName { TRANSPARENT, ACOUSTIC_CEILING_TILES, BRICK_BARE, BRICK_PAINTED, CONCRETE_BLOCK_COARSE, CONCRETE_BLOCK_PAINTED, CURTAIN_HEAVY, FIBER_GLASS_INSULATION, GLASS_THIN, GLASS_THICK, GRASS, LINOLEUM_ON_CONCRETE, MARBLE, METAL, PARQUET_ONCONCRETE, PLASTER_ROUGH, PLASTER_SMOOTH, PLYWOOD_PANEL, POLISHED_CONCRETE_OR_TILE, SHEETROCK, WATER_OR_ICE_SURFACE, WOOD_CEILING, WOOD_PANEL, UNIFORM, }