Assertion: caiman lizard's skin | /r/ObjectUse | used like sandpaper
Facets:
value: at one time
type: TEMPORAL
value: for grinding
type: PURPOSE
value: for polishing
type: PURPOSE
Source sentences:
text: At one time the skin was used like sandpaper for grinding and polishing; however, thanks to modern tanning processes and the help of oils, today shark leather is used for small accessories and jackets.