Assertion: candle's wick | /r/HasProperty | treated with substance
Facets:
value: beyond that
type: OTHER
value: to improve brightness
type: PURPOSE
Source sentences:
text: Beyond that, wicks can be treated with substances to improve the color and brightness of the flame, provide better rigidity to keep the wick out of the melted wax, and improve the flow of that wax up the wick.