Assertion: arsenic's use | /r/AtLocation | the preservation of wood
Facets:
value: for houses
type: PURPOSE
Source sentences:
text: Today, the most important use of arsenic is in the preservation of wood.
text: If you come from the US the use you encounter most is in wood preservation for houses and the second use is as alloy in lead bullets.
text: The most important use of arsenic is in the preservation of wood.