Assertion: oxalic acid | /r/HasAspect | many uses
Facets:
value: as stain remover
type: MANNER
value: as a bleach
type: MANNER
value: as metal polisher
type: PURPOSE
Source sentences:
text: Oxalic acid has many uses, but it is widely used as a wood bleach because it removes stains without removing the natural color of the wood.
text: Oxalic acid has many many uses as a bleach, metal polisher and stain remover.