Assertion: flute | /r/MadeOf | more precious metals
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Flutes that are more expensive are usually made of more precious metals, most commonly solid sterling silver (92.5% silver), and other alloys including French silver (95% silver, 5% copper), "coin silver" (90% silver), or Britannia silver (95.8% silver).